7x+15=7+8x

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Solution for 7x+15=7+8x equation: 



7x+15=7+8x

We move all terms to the left:

7x+15-(7+8x)=0

We add all the numbers together, and all the variables

7x-(8x+7)+15=0

We get rid of parentheses

7x-8x-7+15=0

We add all the numbers together, and all the variables

-1x+8=0

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

-x=-8

x=-8/-1

x=+8

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