0.3x-0.4x-2=-9

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Solution for 0.3x-0.4x-2=-9 equation: 



0.3x-0.4x-2=-9

We move all terms to the left:

0.3x-0.4x-2-(-9)=0

We add all the numbers together, and all the variables

-0.1x+7=0

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

-0.1x=-7

x=-7/-0.1

x=+70

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