2.9u-1.9u-1.6=-2.2

Solution for 2.9u-1.9u-1.6=-2.2 equation:

Simplifying
2.9u + -1.9u + -1.6 = -2.2

Reorder the terms:
-1.6 + 2.9u + -1.9u = -2.2

Combine like terms: 2.9u + -1.9u = 1u
-1.6 + 1u = -2.2

Solving
-1.6 + 1u = -2.2

Solving for variable 'u'.

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

Add '1.6' to each side of the equation.
-1.6 + 1.6 + 1u = -2.2 + 1.6

Combine like terms: -1.6 + 1.6 = 0.0
0.0 + 1u = -2.2 + 1.6
1u = -2.2 + 1.6

Combine like terms: -2.2 + 1.6 = -0.6
1u = -0.6

Divide each side by '1'.
u = -0.6

Simplifying
u = -0.6