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-6x+7(1-x)=-4(x-1)
We move all terms to the left:
-6x+7(1-x)-(-4(x-1))=0
We add all the numbers together, and all the variables
-6x+7(-1x+1)-(-4(x-1))=0
We multiply parentheses
-6x-7x-(-4(x-1))+7=0
We calculate terms in parentheses: -(-4(x-1)), so:We add all the numbers together, and all the variables
-4(x-1)
We multiply parentheses
-4x+4
Back to the equation:
-(-4x+4)
-13x-(-4x+4)+7=0
We get rid of parentheses
-13x+4x-4+7=0
We add all the numbers together, and all the variables
-9x+3=0
We move all terms containing x to the left, all other terms to the right
-9x=-3
x=-3/-9
x=1/3
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