155=5(3-4x)

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Solution for 155=5(3-4x) equation:



155=5(3-4x)
We move all terms to the left:
155-(5(3-4x))=0
We add all the numbers together, and all the variables
-(5(-4x+3))+155=0
We calculate terms in parentheses: -(5(-4x+3)), so:
5(-4x+3)
We multiply parentheses
-20x+15
Back to the equation:
-(-20x+15)
We get rid of parentheses
20x-15+155=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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