4 times a number added to 8 times a number equals 36
Let a number be an arbitrary variable, let us call it x.
4 times a number:
4x
8 times a number:
8x
We add these together:
4x + 8x = 12x
We set 12x equal to 36 to get our final algebraic expression of:
12x = 36
If the problem asks you to solve for x, you type this algebraic expression into our search engine and get:
x = 3
Let a number be an arbitrary variable, let us call it x.
4 times a number:
4x
8 times a number:
8x
We add these together:
4x + 8x = 12x
We set 12x equal to 36 to get our final algebraic expression of:
12x = 36
If the problem asks you to solve for x, you type this algebraic expression into our search engine and get:
x = 3