3y-(y-1)=9

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Solution for 3y-(y-1)=9 equation:


3y-(y-1)=9

We simplify the equation to the form, which is simple to understand 
3y-(y-1)=9

Remove unnecessary parentheses
3y-1y+1=9

We move all terms containing y to the left and all other terms to the right. 
+3y-1y=+9-1

We simplify left and right side of the equation. 
+2y=+8

We divide both sides of the equation by 2 to get y. 
y=4

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