(u-3)+6=18

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Solution for (u-3)+6=18 equation:


Simplifying
(u + -3) + 6 = 18

Reorder the terms:
(-3 + u) + 6 = 18

Remove parenthesis around (-3 + u)
-3 + u + 6 = 18

Reorder the terms:
-3 + 6 + u = 18

Combine like terms: -3 + 6 = 3
3 + u = 18

Solving
3 + u = 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 + u = 18 + -3

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

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

Simplifying
u = 15

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