3u=45-2u

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Solution for 3u=45-2u equation: 


Simplifying
3u = 45 + -2u

Solving
3u = 45 + -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.
3u + 2u = 45 + -2u + 2u

Combine like terms: 3u + 2u = 5u
5u = 45 + -2u + 2u

Combine like terms: -2u + 2u = 0
5u = 45 + 0
5u = 45

Divide each side by '5'.
u = 9

Simplifying
u = 9

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