9u+15=6(u+7)

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Solution for 9u+15=6(u+7) equation:


Simplifying
9u + 15 = 6(u + 7)

Reorder the terms:
15 + 9u = 6(u + 7)

Reorder the terms:
15 + 9u = 6(7 + u)
15 + 9u = (7 * 6 + u * 6)
15 + 9u = (42 + 6u)

Solving
15 + 9u = 42 + 6u

Solving for variable 'u'.

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

Add '-6u' to each side of the equation.
15 + 9u + -6u = 42 + 6u + -6u

Combine like terms: 9u + -6u = 3u
15 + 3u = 42 + 6u + -6u

Combine like terms: 6u + -6u = 0
15 + 3u = 42 + 0
15 + 3u = 42

Add '-15' to each side of the equation.
15 + -15 + 3u = 42 + -15

Combine like terms: 15 + -15 = 0
0 + 3u = 42 + -15
3u = 42 + -15

Combine like terms: 42 + -15 = 27
3u = 27

Divide each side by '3'.
u = 9

Simplifying
u = 9

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