40=-4(y-3)

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Solution for 40=-4(y-3) equation: 



40=-4(y-3)

We move all terms to the left:

40-(-4(y-3))=0



We calculate terms in parentheses: -(-4(y-3)), so:

-4(y-3)

We multiply parentheses

-4y+12

Back to the equation:

-(-4y+12)



We get rid of parentheses

4y-12+40=0

We add all the numbers together, and all the variables

4y+28=0

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

4y=-28

y=-28/4

y=-7

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