-15=7x-2+1

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Solution for -15=7x-2+1 equation: 



-15=7x-2+1

We move all terms to the left:

-15-(7x-2+1)=0

We add all the numbers together, and all the variables

-(7x-1)-15=0

We get rid of parentheses

-7x+1-15=0

We add all the numbers together, and all the variables

-7x-14=0

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

-7x=14

x=14/-7

x=-2

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