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5=2.5(x+3)
We move all terms to the left:
5-(2.5(x+3))=0
We calculate terms in parentheses: -(2.5(x+3)), so:We get rid of parentheses
2.5(x+3)
We multiply parentheses
2.5x+7.5
Back to the equation:
-(2.5x+7.5)
-2.5x-7.5+5=0
We add all the numbers together, and all the variables
-2.5x-2.5=0
We move all terms containing x to the left, all other terms to the right
-2.5x=2.5
x=2.5/-2.5
x=-1
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