0.20(y-9)+0.12y=0.02y-4.2

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Solution for 0.20(y-9)+0.12y=0.02y-4.2 equation: 



0.20(y-9)+0.12y=0.02y-4.2

We move all terms to the left:

0.20(y-9)+0.12y-(0.02y-4.2)=0

We add all the numbers together, and all the variables

0.12y+0.20(y-9)-(0.02y-4.2)=0

We multiply parentheses

0.12y+0.2y-(0.02y-4.2)-1.8=0

We get rid of parentheses

0.12y+0.2y-0.02y+4.2-1.8=0

We add all the numbers together, and all the variables

0.3y+2.4=0

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

0.3y=-2.4

y=-2.4/0.3

y=-8

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