2.8-7y=-7(1.9+3y)

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Solution for 2.8-7y=-7(1.9+3y) equation: 



2.8-7y=-7(1.9+3y)

We move all terms to the left:

2.8-7y-(-7(1.9+3y))=0

We add all the numbers together, and all the variables

-7y-(-7(3y+1.9))+2.8=0



We calculate terms in parentheses: -(-7(3y+1.9)), so:

-7(3y+1.9)

We multiply parentheses

-21y-13.3

Back to the equation:

-(-21y-13.3)



We get rid of parentheses

-7y+21y+13.3+2.8=0

We add all the numbers together, and all the variables

14y+16.1=0

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

14y=-16.1

y=-16.1/14

y=-1+1/6.6666666666667

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