-y=21

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Solution for -y=21 equation:


-y=21

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

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

We simplify left and right side of the equation.
-1y=+21

We divide both sides of the equation by -1 to get y.
y=-21

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