-1.8=-0.9u+0.3u

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Solution for -1.8=-0.9u+0.3u equation: 


Simplifying
-1.8 = -0.9u + 0.3u

Combine like terms: -0.9u + 0.3u = -0.6u
-1.8 = -0.6u

Solving
-1.8 = -0.6u

Solving for variable 'u'.

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

Add '0.6u' to each side of the equation.
-1.8 + 0.6u = -0.6u + 0.6u

Combine like terms: -0.6u + 0.6u = 0.0
-1.8 + 0.6u = 0.0

Add '1.8' to each side of the equation.
-1.8 + 1.8 + 0.6u = 0.0 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + 0.6u = 0.0 + 1.8
0.6u = 0.0 + 1.8

Combine like terms: 0.0 + 1.8 = 1.8
0.6u = 1.8

Divide each side by '0.6'.
u = 3

Simplifying
u = 3

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