Y=120-30x

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Solution for Y=120-30x equation:



=120-30Y
We move all terms to the left:
-(120-30Y)=0
We add all the numbers together, and all the variables
-(-30Y+120)=0
We get rid of parentheses
30Y-120=0
We move all terms containing Y to the left, all other terms to the right
30Y=120
Y=120/30
Y=4

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