20=2+3u

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Solution for 20=2+3u equation:


Simplifying
20 = 2 + 3u

Solving
20 = 2 + 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 = 2 + 3u + -3u

Combine like terms: 3u + -3u = 0
20 + -3u = 2 + 0
20 + -3u = 2

Add '-20' to each side of the equation.
20 + -20 + -3u = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -3u = 2 + -20
-3u = 2 + -20

Combine like terms: 2 + -20 = -18
-3u = -18

Divide each side by '-3'.
u = 6

Simplifying
u = 6

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