2k+3=-k-15

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


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

Reorder the terms:
3 + 2k = -1k + -15

Reorder the terms:
3 + 2k = -15 + -1k

Solving
3 + 2k = -15 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
3 + 2k + k = -15 + -1k + k

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

Combine like terms: -1k + k = 0
3 + 3k = -15 + 0
3 + 3k = -15

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

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

Combine like terms: -15 + -3 = -18
3k = -18

Divide each side by '3'.
k = -6

Simplifying
k = -6

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