10y-0.2(7-y)=9

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Solution for 10y-0.2(7-y)=9 equation: 



10y-0.2(7-y)=9

We move all terms to the left:

10y-0.2(7-y)-(9)=0

We add all the numbers together, and all the variables

10y-0.2(-1y+7)-9=0

We multiply parentheses

10y+0.2y-1.4-9=0

We add all the numbers together, and all the variables

10.2y-10.4=0

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

10.2y=10.4

y=10.4/10.2

y=1+0.2/10.2

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