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3x-13=7(x-2)-4(x-7)
We move all terms to the left:
3x-13-(7(x-2)-4(x-7))=0
We calculate terms in parentheses: -(7(x-2)-4(x-7)), so:We get rid of parentheses
7(x-2)-4(x-7)
We multiply parentheses
7x-4x-14+28
We add all the numbers together, and all the variables
3x+14
Back to the equation:
-(3x+14)
3x-3x-14-13=0
We add all the numbers together, and all the variables
-27!=0
There is no solution for this equation
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