0.8x+0.3=0.9x-1.2

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Solution for 0.8x+0.3=0.9x-1.2 equation: 



0.8x+0.3=0.9x-1.2

We move all terms to the left:

0.8x+0.3-(0.9x-1.2)=0

We get rid of parentheses

0.8x-0.9x+1.2+0.3=0

We add all the numbers together, and all the variables

-0.1x+1.5=0

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

-0.1x=-1.5

x=-1.5/-0.1

x=+15

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