7y+5-3y=-21

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Solution for 7y+5-3y=-21 equation: 



7y+5-3y=-21

We move all terms to the left:

7y+5-3y-(-21)=0

We add all the numbers together, and all the variables

4y+26=0

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

4y=-26

y=-26/4

y=-6+1/2

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