-3[k+4]=15

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Solution for -3[k+4]=15 equation:


Simplifying
-3[k + 4] = 15

Reorder the terms:
-3[4 + k] = 15
[4 * -3 + k * -3] = 15
[-12 + -3k] = 15

Solving
-12 + -3k = 15

Solving for variable 'k'.

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

Add '12' to each side of the equation.
-12 + 12 + -3k = 15 + 12

Combine like terms: -12 + 12 = 0
0 + -3k = 15 + 12
-3k = 15 + 12

Combine like terms: 15 + 12 = 27
-3k = 27

Divide each side by '-3'.
k = -9

Simplifying
k = -9

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