literal equations | MathCelebrity Forum

literal equations

  1. math_celebrity

    F=2y-z/3 for z

    Multiply each side by 3 to remove the fraction: 3F=3(2y-z/3) 3F = 6y - z Subtract 6y from each side: 3F - 6y = -z Multiply each side by -1: z = 6y - 3F
  2. math_celebrity

    A = 2(l + w) for w

    A = 2(l + w) for w
  3. math_celebrity

    -g+F/A=h^3 for A

    -g+F/A=h^3 for A Add g to each side: -g + g+F/A=h^3 + g Cancel the g's on the left side: F/A = h^3 + g Cross multiply: F = A(h^3 + g) Divide each side by (h^3 + g) F/(h^3 + g) = A(h^3 + g)/(h^3 + g) Cancel (h^3 + g) on the right side: A = F/(h^3 + g)
  4. math_celebrity

    1/3ab^2=6 for a

    1/3ab^2=6 for a Multiply each side by 3: ab^2 = 18 Divide each side by b^2 a = 18/b^2
  5. math_celebrity

    -g + 3/4a = y for a

    -g + 3/4a = y for a Add g to each side: -g + g + 3/4a = y + g Cancel the g terms on the left side: 3/4a = y + g Cross multiply: 3a = 4(y + g) Divide each side by 3 to isolate a: 3a/3 = 4(y + g)/3 a = 4(y + g)/3
  6. math_celebrity

    ab/d+c=e for d

    ab/d+c=e for d Subtract c from each side: ab/d+c - c = e - c ab/d = e - c Multiply each side by d: abd/d = d(e - c) ab = d(e - c) Divide each side by (e - c): ab/(e - c) = d(e - c)/(e - c) d = ab/(e - c)
  7. math_celebrity

    gy=-g/v+w for g

    gy=-g/v+w for g Multiply each side of the equation by v to eliminate fractions: gvy = -g + vw Add g to each side: gvy + g = -g + g + vw Cancel the g's on the right side and we geT: gvy + g = vw Factor out g on the left side: g(vy + 1) = vw Divide each side of the equation by (vy + 1): g(vy...
  8. math_celebrity

    4d/a - 9 = g for a

    4d/a - 9 = g for a Add 9 to each side: 4d/a - 9 + 9 = g + 9 Cancel the 9's on the left side and we get: 4d/a = g + 9 Cross multiply: 4d = a(g + 9) Divide each side of the equation by (g + 9) to isolate a: 4d/(g + 9) = a(g + 9)/(g + 9) Cancel the (g + 9) on the right side, and we get: a =...
  9. math_celebrity

    m=y-b/x-t for y

    m=y-b/x-t for y Add b/x + t to each side: m + b/x + t = y - b/x - t + b/x + t Cancel b/x terms and t terms on the right side to get: y = m + b/x + t
  10. math_celebrity

    a/m - b = c for m

    a/m - b = c for m Add b to both sides: a/m - b + b = c + b Cancel b on both sides: a/m = c + b Multiply each side by m: am/m = m(c + b) Cancel the m's on the left side: a = m(c + b) Divide each side by (c + b) a/(c + b) = m(c + b)/(c + b) Cancel the (c + b) on the right side, and we get: m...
  11. math_celebrity

    2x/5 - 9y = 6 for x

    2x/5 - 9y = 6 for x Add 9y to each side of the equation: 2x/5 - 9y + 9y = 6 + 9y Cancel the 9y's on the left side to get: 2x/5 = 6 + 9y Multiply each side of the equation by 5: 5(2x/5) = 5(6 + 9y) Cancel the 5's on the left side to get 2x = 5(6 + 9y) Divide each side of the equation by 2...
  12. math_celebrity

    c/a=db/r for a

    c/a=db/r for a Cross multiply the proportion: cr = adb Divide each side of the equation by db to isolate a: cr/db = adb/db Cancel the db terms on the left side and we get: a = cr/db
  13. math_celebrity

    2x/5 - 9y = 6 for x

    2x/5 - 9y = 6 for x Add 9y to each side to isolate the x term: 2x/5 - 9y + 9y = 9y + 6 Cancel the 9y's on the left side: 2x/5 = 9y + 6 Multiply each side by 5: 2x * 5/5 = 5(9y + 6) Cancel the 5's on the left side and we get: 2x = 5(9y + 6) Divide each side by 2 to isolate x: 2x/2 = 5/2(9y +...
  14. math_celebrity

    pv/t = ab/c for c

    pv/t = ab/c for c Cross multiply: cpv = abt Divide each side of the equation by pv to isolate c: cpv/pv = abt/pv Cancel the pv terms on the left side and we get: c = abt/pv
  15. math_celebrity

    ax - mn = mn + bx for x

    ax - mn = mn + bx for x Add mn to each side: ax - mn + mn = mn + bx + mn Cancel the mn terms on the left side and we get: ax = bx + 2mn Subtract bx from each side: ax - bx = bx - bx + 2mn Cancel the bx terms on the right side: ax - bx = 2mn Factor out x on the left side: x (a - b) = 2mn...
  16. math_celebrity

    mx=ac/np for n

    mx=ac/np for n Cross multiply: mnpx = ac Divide each side by mpx: mnpx/mpx = ac/mpx Cancel the mpx on the right side: n = ac/mpx
  17. math_celebrity

    a^2 + b62 = c^2 for c

    a^2 + b^2 = c^2 for c Take the square root of each side: c = sqrt(a^2 + b^2)
  18. math_celebrity

    2x - b/y = 4c for y

    2x - b/y = 4c for y Subtract 2x from each side: 2x - 2x - b/y = 4c - 2x Cancel the 2x's on the left side and we get: -b/y = 4c - 2x Cross multiply: -b = y(4c - 2x) Divide each side by (4c - 2x): -b/(4c - 2x) = y(4c - 2x)/(4c - 2x) Cancel the (4c - 2x) on the right side and we get: y =...
  19. math_celebrity

    b^2 - 6 = 5an for a

    b^2 - 6 = 5an for a Divide each side of the equation by 5n to isolate a: (b^2 - 6)/5n = 5an/5n Cancel the 5n on the right side and we get: a = (b^2 - 6)/5n
  20. math_celebrity

    n = 5m^2d for d

    n = 5m^2d for d Divide each side by 5m^2 to isolate d: n/5m^2 = 5m^2d/5m^2 Cancel the 5m^2 on the right side and we get: d = n/5m^2
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