-9y+20=-7y-20

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Solution for -9y+20=-7y-20 equation:


-9y+20=-7y-20

We simplify the equation to the form, which is simple to understand 
-9y+20=-7y-20

We move all terms containing y to the left and all other terms to the right. 
-9y+7y=-20-20

We simplify left and right side of the equation. 
-2y=-40

We divide both sides of the equation by -2 to get y. 
y=20

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