5u+3=2u+21

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Solution for 5u+3=2u+21 equation:


5u+3=2u+21

We simplify the equation to the form, which is simple to understand 
5u+3=2u+21

We move all terms containing u to the left and all other terms to the right. 
+5u-2u=+21-3

We simplify left and right side of the equation. 
+3u=+18

We divide both sides of the equation by 3 to get u. 
u=6

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