A first number plus twice a second number is 11. Twice the first number plus the second totals 34. F | MathCelebrity Forum

A first number plus twice a second number is 11. Twice the first number plus the second totals 34. F

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A first number plus twice a second number is 11. Twice the first number plus the second totals 34. Find the numbers.

Let the first number be x and the second number be y. We're given:
  1. x + 2y = 11
  2. 2x + y = 34
Using our simultaneous equations calculator, we have 3 methods to solve this:
  1. Substitution Method
  2. Elimination Method
  3. Cramer's Rule
All 3 methods give the same solution:
  • x = 19
  • y = -4
 
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