x-(0.20x)=12

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Solution for x-(0.20x)=12 equation: 



x-(0.20x)=12

We move all terms to the left:

x-(0.20x)-(12)=0

We add all the numbers together, and all the variables

x-(+0.20x)-12=0

We get rid of parentheses

x-0.20x-12=0

We add all the numbers together, and all the variables

0.8x-12=0

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

0.8x=12

x=12/0.8

x=15

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