.80x+.45(40)=.40(109)

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Solution for .80x+.45(40)=.40(109) equation:


.80x+.45(40)=.40(109)

We simplify the equation to the form, which is simple to understand 
.80x+.45(40)=.40(109)

Reorder the terms in parentheses
.80x+(+18)=.40*(109)

Remove unnecessary parentheses
+.80x+18=+.40+*(+109+)

Reorder the terms in parentheses
.80x+18=+(+43.6)

Remove unnecessary parentheses
+.80x+18=+43.6

We move all terms containing x to the left and all other terms to the right. 
 + 0.8x=+43.6-18

We simplify left and right side of the equation. 
 + 0.8x=+25.6

We divide both sides of the equation by 0.8 to get x. 
x=32

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