0.8x-7=1.2x+9

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Solution for 0.8x-7=1.2x+9 equation: 



0.8x-7=1.2x+9

We move all terms to the left:

0.8x-7-(1.2x+9)=0

We get rid of parentheses

0.8x-1.2x-9-7=0

We add all the numbers together, and all the variables

-0.4x-16=0

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

-0.4x=16

x=16/-0.4

x=-40

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