-18.8u=9(4.8u-12.4)

Solution for -18.8u=9(4.8u-12.4) equation:

Simplifying
-18.8u = 9(4.8u + -12.4)

Reorder the terms:
-18.8u = 9(-12.4 + 4.8u)
-18.8u = (-12.4 * 9 + 4.8u * 9)
-18.8u = (-111.6 + 43.2u)

Solving
-18.8u = -111.6 + 43.2u

Solving for variable 'u'.

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

Add '-43.2u' to each side of the equation.
-18.8u + -43.2u = -111.6 + 43.2u + -43.2u

Combine like terms: -18.8u + -43.2u = -62u
-62u = -111.6 + 43.2u + -43.2u

Combine like terms: 43.2u + -43.2u = 0.0
-62u = -111.6 + 0.0
-62u = -111.6

Divide each side by '-62'.
u = 1.8

Simplifying
u = 1.8