7x+9-13=8(x+2)

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Solution for 7x+9-13=8(x+2) equation: 



7x+9-13=8(x+2)

We move all terms to the left:

7x+9-13-(8(x+2))=0

We add all the numbers together, and all the variables

7x-(8(x+2))-4=0



We calculate terms in parentheses: -(8(x+2)), so:

8(x+2)

We multiply parentheses

8x+16

Back to the equation:

-(8x+16)



We get rid of parentheses

7x-8x-16-4=0

We add all the numbers together, and all the variables

-1x-20=0

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

-x=20

x=20/-1

x=-20

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