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5(3+x)=-2(x+7)
We move all terms to the left:
5(3+x)-(-2(x+7))=0
We add all the numbers together, and all the variables
5(x+3)-(-2(x+7))=0
We multiply parentheses
5x-(-2(x+7))+15=0
We calculate terms in parentheses: -(-2(x+7)), so:We get rid of parentheses
-2(x+7)
We multiply parentheses
-2x-14
Back to the equation:
-(-2x-14)
5x+2x+14+15=0
We add all the numbers together, and all the variables
7x+29=0
We move all terms containing x to the left, all other terms to the right
7x=-29
x=-29/7
x=-4+1/7
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