-20=3u

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Solution for -20=3u equation:


Simplifying
-20 = 3u

Solving
-20 = 3u

Solving for variable 'u'.

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

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

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

Add '20' to each side of the equation.
-20 + 20 + -3u = 0 + 20

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

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

Divide each side by '-3'.
u = -6.666666667

Simplifying
u = -6.666666667

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