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0.8(4)=0.5(x+4)
We move all terms to the left:
0.8(4)-(0.5(x+4))=0
We calculate terms in parentheses: -(0.5(x+4)), so:We get rid of parentheses
0.5(x+4)
We multiply parentheses
0.5x+2
Back to the equation:
-(0.5x+2)
-0.5x-2+0.84=0
We add all the numbers together, and all the variables
-0.5x-1.16=0
We move all terms containing x to the left, all other terms to the right
-0.5x=1.16
x=1.16/-0.5
x=-2+0.16/0.5
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