3(-0.4u+1.8)=

Solution for 3(-0.4u+1.8)= equation:

Simplifying
3(-0.4u + 1.8) = 0

Reorder the terms:
3(1.8 + -0.4u) = 0
(1.8 * 3 + -0.4u * 3) = 0
(5.4 + -1.2u) = 0

Solving
5.4 + -1.2u = 0

Solving for variable 'u'.

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

Add '-5.4' to each side of the equation.
5.4 + -5.4 + -1.2u = 0 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -1.2u = 0 + -5.4
-1.2u = 0 + -5.4

Combine like terms: 0 + -5.4 = -5.4
-1.2u = -5.4

Divide each side by '-1.2'.
u = 4.5

Simplifying
u = 4.5