.40x+.15(100-x)=22

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Solution for .40x+.15(100-x)=22 equation: 



.40x+.15(100-x)=22

We move all terms to the left:

.40x+.15(100-x)-(22)=0

We add all the numbers together, and all the variables

.40x+.15(-1x+100)-22=0

We multiply parentheses

.40x-0.15x+15-22=0

We add all the numbers together, and all the variables

0.25x-7=0

We move all terms containing x to the left, all other terms to the right

0.25x=7

x=7/0.25

x=28

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