2y+21=4y+5

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Solution for 2y+21=4y+5 equation:


2y+21=4y+5

We simplify the equation to the form, which is simple to understand 
2y+21=4y+5

We move all terms containing y to the left and all other terms to the right. 
+2y-4y=+5-21

We simplify left and right side of the equation. 
-2y=-16

We divide both sides of the equation by -2 to get y. 
y=8

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