7y-21=y+3

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Solution for 7y-21=y+3 equation:


7y-21=y+3

We simplify the equation to the form, which is simple to understand 
7y-21=y+3

We move all terms containing y to the left and all other terms to the right. 
+7y-1y=+3+21

We simplify left and right side of the equation. 
+6y=+24

We divide both sides of the equation by 6 to get y. 
y=4

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