15-k=2(k+3)

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Solution for 15-k=2(k+3) equation:


Simplifying
15 + -1k = 2(k + 3)

Reorder the terms:
15 + -1k = 2(3 + k)
15 + -1k = (3 * 2 + k * 2)
15 + -1k = (6 + 2k)

Solving
15 + -1k = 6 + 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.
15 + -1k + -2k = 6 + 2k + -2k

Combine like terms: -1k + -2k = -3k
15 + -3k = 6 + 2k + -2k

Combine like terms: 2k + -2k = 0
15 + -3k = 6 + 0
15 + -3k = 6

Add '-15' to each side of the equation.
15 + -15 + -3k = 6 + -15

Combine like terms: 15 + -15 = 0
0 + -3k = 6 + -15
-3k = 6 + -15

Combine like terms: 6 + -15 = -9
-3k = -9

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

Simplifying
k = 3

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