8-y=21

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Solution for 8-y=21 equation:


8-y=21

We simplify the equation to the form, which is simple to understand 
8-y=21

We move all terms containing y to the left and all other terms to the right. 
-1y=+21-8

We simplify left and right side of the equation. 
-1y=+13

We divide both sides of the equation by -1 to get y. 
y=-13

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