3(-2-3u)=-9u(-4)

Solution for 3(-2-3u)=-9u(-4) equation:

Simplifying
3(-2 + -3u) = -9u(-4)
(-2 * 3 + -3u * 3) = -9u(-4)
(-6 + -9u) = -9u(-4)

Reorder the terms for easier multiplication:
-6 + -9u = -9 * -4u

Multiply -9 * -4
-6 + -9u = 36u

Solving
-6 + -9u = 36u

Solving for variable 'u'.

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

Add '-36u' to each side of the equation.
-6 + -9u + -36u = 36u + -36u

Combine like terms: -9u + -36u = -45u
-6 + -45u = 36u + -36u

Combine like terms: 36u + -36u = 0
-6 + -45u = 0

Add '6' to each side of the equation.
-6 + 6 + -45u = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -45u = 0 + 6
-45u = 0 + 6

Combine like terms: 0 + 6 = 6
-45u = 6

Divide each side by '-45'.
u = -0.1333333333

Simplifying
u = -0.1333333333