3(u+1)=18

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Solution for 3(u+1)=18 equation: 


Simplifying
3(u + 1) = 18

Reorder the terms:
3(1 + u) = 18
(1 * 3 + u * 3) = 18
(3 + 3u) = 18

Solving
3 + 3u = 18

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 3u = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 3u = 18 + -3
3u = 18 + -3

Combine like terms: 18 + -3 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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