Y-30=1.25(x-4)

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Solution for Y-30=1.25(x-4) equation: 



-30=1.25(Y-4)

We move all terms to the left:

-30-(1.25(Y-4))=0



We calculate terms in parentheses: -(1.25(Y-4)), so:

1.25(Y-4)

We multiply parentheses

1.25Y-5

Back to the equation:

-(1.25Y-5)



We get rid of parentheses

-1.25Y+5-30=0

We add all the numbers together, and all the variables

-1.25Y-25=0

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

-1.25Y=25

Y=25/-1.25

Y=-20

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