-12=2x+0.2(20-6x)

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Solution for -12=2x+0.2(20-6x) equation: 



-12=2x+0.2(20-6x)

We move all terms to the left:

-12-(2x+0.2(20-6x))=0

We add all the numbers together, and all the variables

-(2x+0.2(-6x+20))-12=0



We calculate terms in parentheses: -(2x+0.2(-6x+20)), so:

2x+0.2(-6x+20)

We multiply parentheses

2x-1.2x+4

We add all the numbers together, and all the variables

0.8x+4

Back to the equation:

-(0.8x+4)



We get rid of parentheses

-0.8x-4-12=0

We add all the numbers together, and all the variables

-0.8x-16=0

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

-0.8x=16

x=16/-0.8

x=-20

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