3x+13=5(x-4)+7

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Solution for 3x+13=5(x-4)+7 equation:



3x+13=5(x-4)+7
We move all terms to the left:
3x+13-(5(x-4)+7)=0
We calculate terms in parentheses: -(5(x-4)+7), so:
5(x-4)+7
We multiply parentheses
5x-20+7
We add all the numbers together, and all the variables
5x-13
Back to the equation:
-(5x-13)
We get rid of parentheses
3x-5x+13+13=0
We add all the numbers together, and all the variables
-2x+26=0
We move all terms containing x to the left, all other terms to the right
-2x=-26
x=-26/-2
x=+13

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