48=3u+9

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Solution for 48=3u+9 equation:


Simplifying
48 = 3u + 9

Reorder the terms:
48 = 9 + 3u

Solving
48 = 9 + 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.
48 + -3u = 9 + 3u + -3u

Combine like terms: 3u + -3u = 0
48 + -3u = 9 + 0
48 + -3u = 9

Add '-48' to each side of the equation.
48 + -48 + -3u = 9 + -48

Combine like terms: 48 + -48 = 0
0 + -3u = 9 + -48
-3u = 9 + -48

Combine like terms: 9 + -48 = -39
-3u = -39

Divide each side by '-3'.
u = 13

Simplifying
u = 13

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