99=3u

Solution for 99=3u equation:

Simplifying
99 = 3u

Solving
99 = 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
99 + -3u = 3u + -3u

Combine like terms: 3u + -3u = 0
99 + -3u = 0

Add '-99' to each side of the equation.
99 + -99 + -3u = 0 + -99

Combine like terms: 99 + -99 = 0
0 + -3u = 0 + -99
-3u = 0 + -99

Combine like terms: 0 + -99 = -99
-3u = -99

Divide each side by '-3'.
u = 33

Simplifying
u = 33