13=7(x+2)-4(x-7)

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Solution for 13=7(x+2)-4(x-7) equation: 



13=7(x+2)-4(x-7)

We move all terms to the left:

13-(7(x+2)-4(x-7))=0



We calculate terms in parentheses: -(7(x+2)-4(x-7)), so:

7(x+2)-4(x-7)

We multiply parentheses

7x-4x+14+28

We add all the numbers together, and all the variables

3x+42

Back to the equation:

-(3x+42)



We get rid of parentheses

-3x-42+13=0

We add all the numbers together, and all the variables

-3x-29=0

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

-3x=29

x=29/-3

x=-9+2/3

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