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0.40x + 0.40(80)=0.20(84)
We simplify the equation to the form, which is simple to understand
0.40x + 0.40(80)=0.20(84)
Reorder the terms in parentheses
0.40x+(+32)=0.20*(84)
Remove unnecessary parentheses
+ 0.40x+32=0.20+*(+84+)
Reorder the terms in parentheses
0.40x+32=+(+16.8)
Remove unnecessary parentheses
+ 0.40x+32=+16.8
We move all terms containing x to the left and all other terms to the right.
+ 0.4x=+16.8-32
We simplify left and right side of the equation.
+ 0.4x=-15.2
We divide both sides of the equation by 0.4 to get x.
x=-38
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