20.7-7u=3.2

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Solution for 20.7-7u=3.2 equation: 


Simplifying
20.7 + -7u = 3.2

Solving
20.7 + -7u = 3.2

Solving for variable 'u'.

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

Add '-20.7' to each side of the equation.
20.7 + -20.7 + -7u = 3.2 + -20.7

Combine like terms: 20.7 + -20.7 = 0.0
0.0 + -7u = 3.2 + -20.7
-7u = 3.2 + -20.7

Combine like terms: 3.2 + -20.7 = -17.5
-7u = -17.5

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

Simplifying
u = 2.5

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