90/y=-3

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Solution for 90/y=-3 equation: 



90/y=-3

We move all terms to the left:

90/y-(-3)=0



Domain of the equation: y!=0

y∈R



We add all the numbers together, and all the variables

90/y+3=0

We multiply all the terms by the denominator


3*y+90=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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