7x+7=8x+8

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



7x+7=8x+8

We move all terms to the left:

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

We get rid of parentheses

7x-8x-8+7=0

We add all the numbers together, and all the variables

-1x-1=0

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

-x=1

x=1/-1

x=-1

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