u+3u=16

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Solution for u+3u=16 equation:


u+3u=16

We simplify the equation to the form, which is simple to understand 
u+3u=16

We move all terms containing u to the left and all other terms to the right. 
+1u+3u=+16

We simplify left and right side of the equation. 
+4u=+16

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

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