-y=90

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Solution for -y=90 equation:


-y=90

We simplify the equation to the form, which is simple to understand 
-y=90

We move all terms containing y to the left and all other terms to the right. 
-1y=+90

We simplify left and right side of the equation. 
-1y=+90

We divide both sides of the equation by -1 to get y. 
y=-90

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