3(k+3)=2k-12

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Solution for 3(k+3)=2k-12 equation: 


Simplifying
3(k + 3) = 2k + -12

Reorder the terms:
3(3 + k) = 2k + -12
(3 * 3 + k * 3) = 2k + -12
(9 + 3k) = 2k + -12

Reorder the terms:
9 + 3k = -12 + 2k

Solving
9 + 3k = -12 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
9 + 3k + -2k = -12 + 2k + -2k

Combine like terms: 3k + -2k = 1k
9 + 1k = -12 + 2k + -2k

Combine like terms: 2k + -2k = 0
9 + 1k = -12 + 0
9 + 1k = -12

Add '-9' to each side of the equation.
9 + -9 + 1k = -12 + -9

Combine like terms: 9 + -9 = 0
0 + 1k = -12 + -9
1k = -12 + -9

Combine like terms: -12 + -9 = -21
1k = -21

Divide each side by '1'.
k = -21

Simplifying
k = -21

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