3u-1=20

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Solution for 3u-1=20 equation:


3u-1=20

We simplify the equation to the form, which is simple to understand 
3u-1=20

We move all terms containing u to the left and all other terms to the right. 
+3u=+20+1

We simplify left and right side of the equation. 
+3u=+21

We divide both sides of the equation by 3 to get u. 
u=7

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