3x-13=7(x+7)-4(x-7)

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Solution for 3x-13=7(x+7)-4(x-7) equation: 



3x-13=7(x+7)-4(x-7)

We move all terms to the left:

3x-13-(7(x+7)-4(x-7))=0



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

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

We multiply parentheses

7x-4x+49+28

We add all the numbers together, and all the variables

3x+77

Back to the equation:

-(3x+77)



We get rid of parentheses

3x-3x-77-13=0

We add all the numbers together, and all the variables

-90!=0

There is no solution for this equation

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