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0.20x + 0.45(70)=49.5
We simplify the equation to the form, which is simple to understand
0.20x + 0.45(70)=49.5
Reorder the terms in parentheses
0.20x+(+31.5)=49.5
Remove unnecessary parentheses
+ 0.20x+31.5=+49.5
We move all terms containing x to the left and all other terms to the right.
+ 0.2x=+49.5-31.5
We simplify left and right side of the equation.
+ 0.2x=+18
We divide both sides of the equation by 0.2 to get x.
x=90
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