12-1y-3y=12+1y-8

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Solution for 12-1y-3y=12+1y-8 equation: 



12-1y-3y=12+1y-8

We move all terms to the left:

12-1y-3y-(12+1y-8)=0

We add all the numbers together, and all the variables

-1y-3y-(y+4)+12=0

We add all the numbers together, and all the variables

-4y-(y+4)+12=0

We get rid of parentheses

-4y-y-4+12=0

We add all the numbers together, and all the variables

-5y+8=0

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

-5y=-8

y=-8/-5

y=1+3/5

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