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75=0.5(x-91)
We move all terms to the left:
75-(0.5(x-91))=0
We calculate terms in parentheses: -(0.5(x-91)), so:We get rid of parentheses
0.5(x-91)
We multiply parentheses
0.5x-45.5
Back to the equation:
-(0.5x-45.5)
-0.5x+45.5+75=0
We add all the numbers together, and all the variables
-0.5x+120.5=0
We move all terms containing x to the left, all other terms to the right
-0.5x=-120.5
x=-120.5/-0.5
x=+241
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