-5=-2y-21

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Solution for -5=-2y-21 equation: 



-5=-2y-21

We move all terms to the left:

-5-(-2y-21)=0

We get rid of parentheses

2y+21-5=0

We add all the numbers together, and all the variables

2y+16=0

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

2y=-16

y=-16/2

y=-8

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