3x+7-x=8+3x-7

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



3x+7-x=8+3x-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2x-(3x+1)+7=0

We get rid of parentheses

2x-3x-1+7=0

We add all the numbers together, and all the variables

-1x+6=0

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

-x=-6

x=-6/-1

x=+6

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