3y+8=4-y

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Solution for 3y+8=4-y equation: 



3y+8=4-y

We move all terms to the left:

3y+8-(4-y)=0

We add all the numbers together, and all the variables

3y-(-1y+4)+8=0

We get rid of parentheses

3y+1y-4+8=0

We add all the numbers together, and all the variables

4y+4=0

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

4y=-4

y=-4/4

y=-1

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