4(30+-0.5y)+2y=120

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Solution for 4(30+-0.5y)+2y=120 equation: 



4(30+-0.5y)+2y=120

We move all terms to the left:

4(30+-0.5y)+2y-(120)=0

We add all the numbers together, and all the variables

4(-0.5y)+2y-120=0

We add all the numbers together, and all the variables

2y+4(-0.5y)-120=0

We multiply parentheses

2y+0y-120=0

We add all the numbers together, and all the variables

3y-120=0

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

3y=120

y=120/3

y=40

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