(y-4)-(y+9)=7y

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Solution for (y-4)-(y+9)=7y equation:


(y-4)-(y+9)=7y

We simplify the equation to the form, which is simple to understand 
(y-4)-(y+9)=7y

Remove unnecessary parentheses
y-4-(y+9)=7y

Remove unnecessary parentheses
y-4-1y-9=7y

We move all terms containing y to the left and all other terms to the right. 
+1y-1y-7y=+4+9

We simplify left and right side of the equation. 
-7y=+13

We divide both sides of the equation by -7 to get y. 
y=-1.85714285714

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