-2.1=-0.6u+0.3u

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Solution for -2.1=-0.6u+0.3u equation: 


Simplifying
-2.1 = -0.6u + 0.3u

Combine like terms: -0.6u + 0.3u = -0.3u
-2.1 = -0.3u

Solving
-2.1 = -0.3u

Solving for variable 'u'.

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

Add '0.3u' to each side of the equation.
-2.1 + 0.3u = -0.3u + 0.3u

Combine like terms: -0.3u + 0.3u = 0.0
-2.1 + 0.3u = 0.0

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 0.3u = 0.0 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 0.3u = 0.0 + 2.1
0.3u = 0.0 + 2.1

Combine like terms: 0.0 + 2.1 = 2.1
0.3u = 2.1

Divide each side by '0.3'.
u = 7

Simplifying
u = 7

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