0.8-0.4(80+x)=-0.2(80)

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Solution for 0.8-0.4(80+x)=-0.2(80) equation: 



0.8-0.4(80+x)=-0.2(80)

We move all terms to the left:

0.8-0.4(80+x)-(-0.2(80))=0

We add all the numbers together, and all the variables

-0.4(x+80)+0.8-(-0.28)=0

We add all the numbers together, and all the variables

-0.4(x+80)+1.08=0

We multiply parentheses

-0.4x-32+1.08=0

We add all the numbers together, and all the variables

-0.4x-30.92=0

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

-0.4x=30.92

x=30.92/-0.4

x=-77+0.12/0.4

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