3u-v=20

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Solution for 3u-v=20 equation: 


Simplifying
3u + -1v = 20

Solving
3u + -1v = 20

Solving for variable 'u'.

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

Add 'v' to each side of the equation.
3u + -1v + v = 20 + v

Combine like terms: -1v + v = 0
3u + 0 = 20 + v
3u = 20 + v

Divide each side by '3'.
u = 6.666666667 + 0.3333333333v

Simplifying
u = 6.666666667 + 0.3333333333v

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