40=3.2x+-20

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Solution for 40=3.2x+-20 equation: 



40=3.2x+-20

We move all terms to the left:

40-(3.2x+-20)=0

We add all the numbers together, and all the variables

-(3.2x-20)+40=0

We get rid of parentheses

-3.2x+20+40=0

We add all the numbers together, and all the variables

-3.2x+60=0

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

-3.2x=-60

x=-60/-3.2

x=18+2.4/3.2

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