9u-3u+4=16

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Solution for 9u-3u+4=16 equation: 


Simplifying
9u + -3u + 4 = 16

Reorder the terms:
4 + 9u + -3u = 16

Combine like terms: 9u + -3u = 6u
4 + 6u = 16

Solving
4 + 6u = 16

Solving for variable 'u'.

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

Add '-4' to each side of the equation.
4 + -4 + 6u = 16 + -4

Combine like terms: 4 + -4 = 0
0 + 6u = 16 + -4
6u = 16 + -4

Combine like terms: 16 + -4 = 12
6u = 12

Divide each side by '6'.
u = 2

Simplifying
u = 2

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