90=0.8x

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Solution for 90=0.8x equation: 



90=0.8x

We move all terms to the left:

90-(0.8x)=0

We add all the numbers together, and all the variables

-(+0.8x)+90=0

We get rid of parentheses

-0.8x+90=0

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

-0.8x=-90

x=-90/-0.8

x=112+0.4/0.8

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