3=-6+k

Solution for 3=-6+k equation:

Simplifying
3 = -6 + k

Solving
3 = -6 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
3 + -1k = -6 + k + -1k

Combine like terms: k + -1k = 0
3 + -1k = -6 + 0
3 + -1k = -6

Add '-3' to each side of the equation.
3 + -3 + -1k = -6 + -3

Combine like terms: 3 + -3 = 0
0 + -1k = -6 + -3
-1k = -6 + -3

Combine like terms: -6 + -3 = -9
-1k = -9

Divide each side by '-1'.
k = 9

Simplifying
k = 9