-15=-k-4k

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Solution for -15=-k-4k equation:


Simplifying
-15 = -1k + -4k

Combine like terms: -1k + -4k = -5k
-15 = -5k

Solving
-15 = -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
-15 + 5k = -5k + 5k

Combine like terms: -5k + 5k = 0
-15 + 5k = 0

Add '15' to each side of the equation.
-15 + 15 + 5k = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 5k = 0 + 15
5k = 0 + 15

Combine like terms: 0 + 15 = 15
5k = 15

Divide each side by '5'.
k = 3

Simplifying
k = 3

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