O.2f+0.6(f+20)=-8+0.4f

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Solution for O.2f+0.6(f+20)=-8+0.4f equation: 



.2O+0.6(O+20)=-8+0.4O

We move all terms to the left:

.2O+0.6(O+20)-(-8+0.4O)=0

We add all the numbers together, and all the variables

.2O+0.6(O+20)-(0.4O-8)=0

We multiply parentheses

.2O+0.6O-(0.4O-8)+12=0

We get rid of parentheses

.2O+0.6O-0.4O+8+12=0

We add all the numbers together, and all the variables

0.4O+20=0

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

0.4O=-20

O=-20/0.4

O=-50

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