15.9-5u=3.4

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Solution for 15.9-5u=3.4 equation: 


Simplifying
15.9 + -5u = 3.4

Solving
15.9 + -5u = 3.4

Solving for variable 'u'.

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

Add '-15.9' to each side of the equation.
15.9 + -15.9 + -5u = 3.4 + -15.9

Combine like terms: 15.9 + -15.9 = 0.0
0.0 + -5u = 3.4 + -15.9
-5u = 3.4 + -15.9

Combine like terms: 3.4 + -15.9 = -12.5
-5u = -12.5

Divide each side by '-5'.
u = 2.5

Simplifying
u = 2.5

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