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7x+13x-5=5(4x+7)
We move all terms to the left:
7x+13x-5-(5(4x+7))=0
We add all the numbers together, and all the variables
20x-(5(4x+7))-5=0
We calculate terms in parentheses: -(5(4x+7)), so:We get rid of parentheses
5(4x+7)
We multiply parentheses
20x+35
Back to the equation:
-(20x+35)
20x-20x-35-5=0
We add all the numbers together, and all the variables
-40!=0
There is no solution for this equation
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