6.75=8.1+-2.7x

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Solution for 6.75=8.1+-2.7x equation: 



6.75=8.1+-2.7x

We move all terms to the left:

6.75-(8.1+-2.7x)=0

We add all the numbers together, and all the variables

-(-2.7x)+6.75=0

We get rid of parentheses

2.7x+6.75=0

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

2.7x=-6.75

x=-6.75/2.7

x=-2+1/2

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