23u+9=78

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Solution for 23u+9=78 equation: 


Simplifying
23u + 9 = 78

Reorder the terms:
9 + 23u = 78

Solving
9 + 23u = 78

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + 23u = 78 + -9

Combine like terms: 9 + -9 = 0
0 + 23u = 78 + -9
23u = 78 + -9

Combine like terms: 78 + -9 = 69
23u = 69

Divide each side by '23'.
u = 3

Simplifying
u = 3

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