(y-4)-(y+5)=8y

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Solution for (y-4)-(y+5)=8y equation:


(y-4)-(y+5)=8y

We simplify the equation to the form, which is simple to understand 
(y-4)-(y+5)=8y

Remove unnecessary parentheses
y-4-(y+5)=8y

Remove unnecessary parentheses
y-4-1y-5=8y

We move all terms containing y to the left and all other terms to the right. 
+1y-1y-8y=+4+5

We simplify left and right side of the equation. 
-8y=+9

We divide both sides of the equation by -8 to get y. 
y=-1.125

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