39=6(u+5)-3u

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Solution for 39=6(u+5)-3u equation:


Simplifying
39 = 6(u + 5) + -3u

Reorder the terms:
39 = 6(5 + u) + -3u
39 = (5 * 6 + u * 6) + -3u
39 = (30 + 6u) + -3u

Combine like terms: 6u + -3u = 3u
39 = 30 + 3u

Solving
39 = 30 + 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.
39 + -3u = 30 + 3u + -3u

Combine like terms: 3u + -3u = 0
39 + -3u = 30 + 0
39 + -3u = 30

Add '-39' to each side of the equation.
39 + -39 + -3u = 30 + -39

Combine like terms: 39 + -39 = 0
0 + -3u = 30 + -39
-3u = 30 + -39

Combine like terms: 30 + -39 = -9
-3u = -9

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

Simplifying
u = 3

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