-0.9x+0.8x+7=9

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Solution for -0.9x+0.8x+7=9 equation: 



-0.9x+0.8x+7=9

We move all terms to the left:

-0.9x+0.8x+7-(9)=0

We add all the numbers together, and all the variables

-0.1x-2=0

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

-0.1x=2

x=2/-0.1

x=-20

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