Y-78=3(x+4)

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Solution for Y-78=3(x+4) equation: 



-78=3(Y+4)

We move all terms to the left:

-78-(3(Y+4))=0



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

3(Y+4)

We multiply parentheses

3Y+12

Back to the equation:

-(3Y+12)



We get rid of parentheses

-3Y-12-78=0

We add all the numbers together, and all the variables

-3Y-90=0

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

-3Y=90

Y=90/-3

Y=-30

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