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-117=-5(4x-1)-1
We move all terms to the left:
-117-(-5(4x-1)-1)=0
We calculate terms in parentheses: -(-5(4x-1)-1), so:We get rid of parentheses
-5(4x-1)-1
We multiply parentheses
-20x+5-1
We add all the numbers together, and all the variables
-20x+4
Back to the equation:
-(-20x+4)
20x-4-117=0
We add all the numbers together, and all the variables
20x-121=0
We move all terms containing x to the left, all other terms to the right
20x=121
x=121/20
x=6+1/20
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