15=4(x+2)-1

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Solution for 15=4(x+2)-1 equation: 



15=4(x+2)-1

We move all terms to the left:

15-(4(x+2)-1)=0



We calculate terms in parentheses: -(4(x+2)-1), so:

4(x+2)-1

We multiply parentheses

4x+8-1

We add all the numbers together, and all the variables

4x+7

Back to the equation:

-(4x+7)



We get rid of parentheses

-4x-7+15=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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