100=5(4x-8)

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Solution for 100=5(4x-8) equation:



100=5(4x-8)
We move all terms to the left:
100-(5(4x-8))=0
We calculate terms in parentheses: -(5(4x-8)), so:
5(4x-8)
We multiply parentheses
20x-40
Back to the equation:
-(20x-40)
We get rid of parentheses
-20x+40+100=0
We add all the numbers together, and all the variables
-20x+140=0
We move all terms containing x to the left, all other terms to the right
-20x=-140
x=-140/-20
x=+7

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