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-15+2x=5(-3-x)+7x
We move all terms to the left:
-15+2x-(5(-3-x)+7x)=0
We add all the numbers together, and all the variables
2x-(5(-1x-3)+7x)-15=0
We calculate terms in parentheses: -(5(-1x-3)+7x), so:We get rid of parentheses
5(-1x-3)+7x
We add all the numbers together, and all the variables
7x+5(-1x-3)
We multiply parentheses
7x-5x-15
We add all the numbers together, and all the variables
2x-15
Back to the equation:
-(2x-15)
2x-2x+15-15=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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