12-k=3(k+8)

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Solution for 12-k=3(k+8) equation:


Simplifying
12 + -1k = 3(k + 8)

Reorder the terms:
12 + -1k = 3(8 + k)
12 + -1k = (8 * 3 + k * 3)
12 + -1k = (24 + 3k)

Solving
12 + -1k = 24 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
12 + -1k + -3k = 24 + 3k + -3k

Combine like terms: -1k + -3k = -4k
12 + -4k = 24 + 3k + -3k

Combine like terms: 3k + -3k = 0
12 + -4k = 24 + 0
12 + -4k = 24

Add '-12' to each side of the equation.
12 + -12 + -4k = 24 + -12

Combine like terms: 12 + -12 = 0
0 + -4k = 24 + -12
-4k = 24 + -12

Combine like terms: 24 + -12 = 12
-4k = 12

Divide each side by '-4'.
k = -3

Simplifying
k = -3

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