2a+u=9

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Solution for 2a+u=9 equation: 


Simplifying
2a + u = 9

Solving
2a + u = 9

Solving for variable 'a'.

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

Add '-1u' to each side of the equation.
2a + u + -1u = 9 + -1u

Combine like terms: u + -1u = 0
2a + 0 = 9 + -1u
2a = 9 + -1u

Divide each side by '2'.
a = 4.5 + -0.5u

Simplifying
a = 4.5 + -0.5u

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