7x-7=8x-16

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Solution for 7x-7=8x-16 equation: 



7x-7=8x-16

We move all terms to the left:

7x-7-(8x-16)=0

We get rid of parentheses

7x-8x+16-7=0

We add all the numbers together, and all the variables

-1x+9=0

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

-x=-9

x=-9/-1

x=+9

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