63=3u

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Solution for 63=3u equation:


Simplifying
63 = 3u

Solving
63 = 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.
63 + -3u = 3u + -3u

Combine like terms: 3u + -3u = 0
63 + -3u = 0

Add '-63' to each side of the equation.
63 + -63 + -3u = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -3u = 0 + -63
-3u = 0 + -63

Combine like terms: 0 + -63 = -63
-3u = -63

Divide each side by '-3'.
u = 21

Simplifying
u = 21

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