-6-3y=-21

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Solution for -6-3y=-21 equation:


-6-3y=-21

We simplify the equation to the form, which is simple to understand 
-6-3y=-21

We move all terms containing y to the left and all other terms to the right. 
-3y=-21+6

We simplify left and right side of the equation. 
-3y=-15

We divide both sides of the equation by -3 to get y. 
y=5

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