0=-2u+9

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Solution for 0=-2u+9 equation: 


Simplifying
0 = -2u + 9

Reorder the terms:
0 = 9 + -2u

Solving
0 = 9 + -2u

Solving for variable 'u'.

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

Add '2u' to each side of the equation.
0 + 2u = 9 + -2u + 2u
Remove the zero:
2u = 9 + -2u + 2u

Combine like terms: -2u + 2u = 0
2u = 9 + 0
2u = 9

Divide each side by '2'.
u = 4.5

Simplifying
u = 4.5

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