3x+-7=-1x-8

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Solution for 3x+-7=-1x-8 equation: 



3x+-7=-1x-8

We move all terms to the left:

3x+-7-(-1x-8)=0

We add all the numbers together, and all the variables

3x-(-1x-8)=0

We get rid of parentheses

3x+1x+8=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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