0.4y+0.9=0.3-0.2y

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Solution for 0.4y+0.9=0.3-0.2y equation: 



0.4y+0.9=0.3-0.2y

We move all terms to the left:

0.4y+0.9-(0.3-0.2y)=0

We add all the numbers together, and all the variables

0.4y-(-0.2y+0.3)+0.9=0

We get rid of parentheses

0.4y+0.2y-0.3+0.9=0

We add all the numbers together, and all the variables

0.6y+0.6=0

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

0.6y=-0.6

y=-0.6/0.6

y=-1

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