15=8+7(x-1)

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Solution for 15=8+7(x-1) equation: 



15=8+7(x-1)

We move all terms to the left:

15-(8+7(x-1))=0



We calculate terms in parentheses: -(8+7(x-1)), so:

8+7(x-1)

determiningTheFunctionDomain
7(x-1)+8

We multiply parentheses

7x-7+8

We add all the numbers together, and all the variables

7x+1

Back to the equation:

-(7x+1)



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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