-6-3=k+3

Solution for -6-3=k+3 equation:

Simplifying
-6 + -3 = k + 3

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

Reorder the terms:
-9 = 3 + k

Solving
-9 = 3 + 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.
-9 + -1k = 3 + k + -1k

Combine like terms: k + -1k = 0
-9 + -1k = 3 + 0
-9 + -1k = 3

Add '9' to each side of the equation.
-9 + 9 + -1k = 3 + 9

Combine like terms: -9 + 9 = 0
0 + -1k = 3 + 9
-1k = 3 + 9

Combine like terms: 3 + 9 = 12
-1k = 12

Divide each side by '-1'.
k = -12

Simplifying
k = -12