(y-8)+3y=12

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Solution for (y-8)+3y=12 equation: 



(y-8)+3y=12

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3y+y-8-12=0

We add all the numbers together, and all the variables

4y-20=0

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

4y=20

y=20/4

y=5

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