1.2x+0.9=0.6x-2.1

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Solution for 1.2x+0.9=0.6x-2.1 equation: 



1.2x+0.9=0.6x-2.1

We move all terms to the left:

1.2x+0.9-(0.6x-2.1)=0

We get rid of parentheses

1.2x-0.6x+2.1+0.9=0

We add all the numbers together, and all the variables

0.6x+3=0

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

0.6x=-3

x=-3/0.6

x=-5

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