-x-7=-5x-15

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Solution for -x-7=-5x-15 equation: 



-x-7=-5x-15

We move all terms to the left:

-x-7-(-5x-15)=0

We add all the numbers together, and all the variables

-1x-(-5x-15)-7=0

We get rid of parentheses

-1x+5x+15-7=0

We add all the numbers together, and all the variables

4x+8=0

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

4x=-8

x=-8/4

x=-2

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