-1.2(20)+0.8x=0.4(20+x)

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Solution for -1.2(20)+0.8x=0.4(20+x) equation: 



-1.2(20)+0.8x=0.4(20+x)

We move all terms to the left:

-1.2(20)+0.8x-(0.4(20+x))=0

We add all the numbers together, and all the variables

0.8x-(0.4(x+20))-1.220=0

We add all the numbers together, and all the variables

0.8x-(0.4(x+20))-1.22=0



We calculate terms in parentheses: -(0.4(x+20)), so:

0.4(x+20)

We multiply parentheses

0.4x+8

Back to the equation:

-(0.4x+8)



We get rid of parentheses

0.8x-0.4x-8-1.22=0

We add all the numbers together, and all the variables

0.4x-9.22=0

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

0.4x=9.22

x=9.22/0.4

x=23+0.02/0.4

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