4y+3-12y=-21

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Solution for 4y+3-12y=-21 equation:


4y+3-12y=-21

We simplify the equation to the form, which is simple to understand 
4y+3-12y=-21

We move all terms containing y to the left and all other terms to the right. 
+4y-12y=-21-3

We simplify left and right side of the equation. 
-8y=-24

We divide both sides of the equation by -8 to get y. 
y=3

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