18=168-u

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Solution for 18=168-u equation:


Simplifying
18 = 168 + -1u

Solving
18 = 168 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
18 + u = 168 + -1u + u

Combine like terms: -1u + u = 0
18 + u = 168 + 0
18 + u = 168

Add '-18' to each side of the equation.
18 + -18 + u = 168 + -18

Combine like terms: 18 + -18 = 0
0 + u = 168 + -18
u = 168 + -18

Combine like terms: 168 + -18 = 150
u = 150

Simplifying
u = 150

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