3(u-11)=18

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Solution for 3(u-11)=18 equation: 


Simplifying
3(u + -11) = 18

Reorder the terms:
3(-11 + u) = 18
(-11 * 3 + u * 3) = 18
(-33 + 3u) = 18

Solving
-33 + 3u = 18

Solving for variable 'u'.

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

Add '33' to each side of the equation.
-33 + 33 + 3u = 18 + 33

Combine like terms: -33 + 33 = 0
0 + 3u = 18 + 33
3u = 18 + 33

Combine like terms: 18 + 33 = 51
3u = 51

Divide each side by '3'.
u = 17

Simplifying
u = 17

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