17-4u=9

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Solution for 17-4u=9 equation: 


Simplifying
17 + -4u = 9

Solving
17 + -4u = 9

Solving for variable 'u'.

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

Add '-17' to each side of the equation.
17 + -17 + -4u = 9 + -17

Combine like terms: 17 + -17 = 0
0 + -4u = 9 + -17
-4u = 9 + -17

Combine like terms: 9 + -17 = -8
-4u = -8

Divide each side by '-4'.
u = 2

Simplifying
u = 2

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