13.3+7u=-4.2

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Solution for 13.3+7u=-4.2 equation: 


Simplifying
13.3 + 7u = -4.2

Solving
13.3 + 7u = -4.2

Solving for variable 'u'.

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

Add '-13.3' to each side of the equation.
13.3 + -13.3 + 7u = -4.2 + -13.3

Combine like terms: 13.3 + -13.3 = 0.0
0.0 + 7u = -4.2 + -13.3
7u = -4.2 + -13.3

Combine like terms: -4.2 + -13.3 = -17.5
7u = -17.5

Divide each side by '7'.
u = -2.5

Simplifying
u = -2.5

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