15+u-22=9

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Solution for 15+u-22=9 equation: 


Simplifying
15 + u + -22 = 9

Reorder the terms:
15 + -22 + u = 9

Combine like terms: 15 + -22 = -7
-7 + u = 9

Solving
-7 + u = 9

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + u = 9 + 7

Combine like terms: -7 + 7 = 0
0 + u = 9 + 7
u = 9 + 7

Combine like terms: 9 + 7 = 16
u = 16

Simplifying
u = 16

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