2x+7x-7=4x+8

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Solution for 2x+7x-7=4x+8 equation: 



2x+7x-7=4x+8

We move all terms to the left:

2x+7x-7-(4x+8)=0

We add all the numbers together, and all the variables

9x-(4x+8)-7=0

We get rid of parentheses

9x-4x-8-7=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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