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2x-4(x-1)=-5(1+x)
We move all terms to the left:
2x-4(x-1)-(-5(1+x))=0
We add all the numbers together, and all the variables
2x-4(x-1)-(-5(x+1))=0
We multiply parentheses
2x-4x-(-5(x+1))+4=0
We calculate terms in parentheses: -(-5(x+1)), so:We add all the numbers together, and all the variables
-5(x+1)
We multiply parentheses
-5x-5
Back to the equation:
-(-5x-5)
-2x-(-5x-5)+4=0
We get rid of parentheses
-2x+5x+5+4=0
We add all the numbers together, and all the variables
3x+9=0
We move all terms containing x to the left, all other terms to the right
3x=-9
x=-9/3
x=-3
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