4u+7=3u+21

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Solution for 4u+7=3u+21 equation:


4u+7=3u+21

We simplify the equation to the form, which is simple to understand 
4u+7=3u+21

We move all terms containing u to the left and all other terms to the right. 
+4u-3u=+21-7

We simplify left and right side of the equation. 
+1u=+14

We divide both sides of the equation by 1 to get u. 
u=14

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