86.40=13.4a+6

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Solution for 86.40=13.4a+6 equation: 



86.40=13.4a+6

We move all terms to the left:

86.40-(13.4a+6)=0

We add all the numbers together, and all the variables

-(13.4a+6)+86.4=0

We get rid of parentheses

-13.4a-6+86.4=0

We add all the numbers together, and all the variables

-13.4a+80.4=0

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

-13.4a=-80.4

a=-80.4/-13.4

a=+6

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