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.2(x)+.8(81)=70
We simplify the equation to the form, which is simple to understand
.2(x)+.8(81)=70
Reorder the terms in parentheses
+( + 0.2x)+.8*(81)=70
Remove unnecessary parentheses
+ 0.2x+.8+*(+81+)=+70
Reorder the terms in parentheses
+ 0.2x+(+64.8)=70
Remove unnecessary parentheses
+ 0.2x+64.8=+70
We move all terms containing x to the left and all other terms to the right.
+ 0.2x=+70-64.8
We simplify left and right side of the equation.
+ 0.2x=+5.2
We divide both sides of the equation by 0.2 to get x.
x=26
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