How do I solve this algebra equation X+7=2x-8

You know that we have to simplify the algebra equation, so first you have to combine x and 2x. X + 2x equals to 3x. Now that we combined x and 2x which makes 3x, we have to do 7 and - 8. 7 + - 8 which equals to - 1. Therefore, the answer to this algebra equation is 3x + - 1.

X = - 7+2x-8

-2x+x = - 7-8

-x = - 15 then multiply by - 1 on both

-1 (-x) = - 1 (-15) sides to get rid of all the x=15 negative on the x and 15