O.4b+0.9=2-0.15b

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Solution for O.4b+0.9=2-0.15b equation: 



.4O+0.9=2-0.15O

We move all terms to the left:

.4O+0.9-(2-0.15O)=0

We add all the numbers together, and all the variables

.4O-(-0.15O+2)+0.9=0

We get rid of parentheses

.4O+0.15O-2+0.9=0

We add all the numbers together, and all the variables

0.55O-1.1=0

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

0.55O=1.1

O=1.1/0.55

O=2

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