-9=2.8x

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Solution for -9=2.8x equation: 



-9=2.8x

We move all terms to the left:

-9-(2.8x)=0

We add all the numbers together, and all the variables

-(+2.8x)-9=0

We get rid of parentheses

-2.8x-9=0

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

-2.8x=9

x=9/-2.8

x=-3+0.6/2.8

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