3=k(-30)

Solution for 3=k(-30) equation:

Simplifying
3 = k(-30)

Reorder the terms for easier multiplication:
3 = -30k

Solving
3 = -30k

Solving for variable 'k'.

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

Add '30k' to each side of the equation.
3 + 30k = -30k + 30k

Combine like terms: -30k + 30k = 0
3 + 30k = 0

Add '-3' to each side of the equation.
3 + -3 + 30k = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 30k = 0 + -3
30k = 0 + -3

Combine like terms: 0 + -3 = -3
30k = -3

Divide each side by '30'.
k = -0.1

Simplifying
k = -0.1