2+0.1(9-y)=0.4y-2(y-0.1)

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Solution for 2+0.1(9-y)=0.4y-2(y-0.1) equation: 



2+0.1(9-y)=0.4y-2(y-0.1)

We move all terms to the left:

2+0.1(9-y)-(0.4y-2(y-0.1))=0

We add all the numbers together, and all the variables

0.1(-1y+9)-(0.4y-2(y-0.1))+2=0

We multiply parentheses

-0.1y-(0.4y-2(y-0.1))+0.9+2=0



We calculate terms in parentheses: -(0.4y-2(y-0.1)), so:

0.4y-2(y-0.1)

We multiply parentheses

0.4y-2y+0.2

We add all the numbers together, and all the variables

-1.6y+0.2

Back to the equation:

-(-1.6y+0.2)



We add all the numbers together, and all the variables

-0.1y-(-1.6y+0.2)+2.9=0

We get rid of parentheses

-0.1y+1.6y-0.2+2.9=0

We add all the numbers together, and all the variables

1.5y+2.7=0

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

1.5y=-2.7

y=-2.7/1.5

y=-1+1/1.25

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