3(k+6)+12=9

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Solution for 3(k+6)+12=9 equation:


Simplifying
3(k + 6) + 12 = 9

Reorder the terms:
3(6 + k) + 12 = 9
(6 * 3 + k * 3) + 12 = 9
(18 + 3k) + 12 = 9

Reorder the terms:
18 + 12 + 3k = 9

Combine like terms: 18 + 12 = 30
30 + 3k = 9

Solving
30 + 3k = 9

Solving for variable 'k'.

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

Add '-30' to each side of the equation.
30 + -30 + 3k = 9 + -30

Combine like terms: 30 + -30 = 0
0 + 3k = 9 + -30
3k = 9 + -30

Combine like terms: 9 + -30 = -21
3k = -21

Divide each side by '3'.
k = -7

Simplifying
k = -7

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