-1.6=-0.9u+0.1u

Solution for -1.6=-0.9u+0.1u equation:

Simplifying
-1.6 = -0.9u + 0.1u

Combine like terms: -0.9u + 0.1u = -0.8u
-1.6 = -0.8u

Solving
-1.6 = -0.8u

Solving for variable 'u'.

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

Add '0.8u' to each side of the equation.
-1.6 + 0.8u = -0.8u + 0.8u

Combine like terms: -0.8u + 0.8u = 0.0
-1.6 + 0.8u = 0.0

Add '1.6' to each side of the equation.
-1.6 + 1.6 + 0.8u = 0.0 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + 0.8u = 0.0 + 1.6
0.8u = 0.0 + 1.6

Combine like terms: 0.0 + 1.6 = 1.6
0.8u = 1.6

Divide each side by '0.8'.
u = 2

Simplifying
u = 2