-7y=-21+28

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Solution for -7y=-21+28 equation:


-7y=-21+28

We simplify the equation to the form, which is simple to understand 
-7y=-21+28

We move all terms containing y to the left and all other terms to the right. 
-7y=-21+28

We simplify left and right side of the equation. 
-7y=+7

We divide both sides of the equation by -7 to get y. 
y=-1

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