15=-4x-7

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Solution for 15=-4x-7 equation: 



15=-4x-7

We move all terms to the left:

15-(-4x-7)=0

We get rid of parentheses

4x+7+15=0

We add all the numbers together, and all the variables

4x+22=0

We move all terms containing x to the left, all other terms to the right

4x=-22

x=-22/4

x=-5+1/2

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