13.8=2.7x+-7.8

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Solution for 13.8=2.7x+-7.8 equation: 



13.8=2.7x+-7.8

We move all terms to the left:

13.8-(2.7x+-7.8)=0

We add all the numbers together, and all the variables

-(2.7x-7.8)+13.8=0

We get rid of parentheses

-2.7x+7.8+13.8=0

We add all the numbers together, and all the variables

-2.7x+21.6=0

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

-2.7x=-21.6

x=-21.6/-2.7

x=+8

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