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