O.4y+0.8=0.1-0.3y

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Solution for O.4y+0.8=0.1-0.3y equation: 



.4O+0.8=0.1-0.3O

We move all terms to the left:

.4O+0.8-(0.1-0.3O)=0

We add all the numbers together, and all the variables

.4O-(-0.3O+0.1)+0.8=0

We get rid of parentheses

.4O+0.3O-0.1+0.8=0

We add all the numbers together, and all the variables

0.7O+0.7=0

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

0.7O=-0.7

O=-0.7/0.7

O=-1

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