-30=4y-(3+7y)

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Solution for -30=4y-(3+7y) equation:


-30=4y-(3+7y)

We simplify the equation to the form, which is simple to understand 
-30=4y-(3+7y)

Remove unnecessary parentheses
-30=4y-3-7y

We move all terms containing y to the left and all other terms to the right. 
-4y+7y=-3+30

We simplify left and right side of the equation. 
+3y=+27

We divide both sides of the equation by 3 to get y. 
y=9

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