-42=3k

Solution for -42=3k equation:

Simplifying
-42 = 3k

Solving
-42 = 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
-42 + -3k = 3k + -3k

Combine like terms: 3k + -3k = 0
-42 + -3k = 0

Add '42' to each side of the equation.
-42 + 42 + -3k = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -3k = 0 + 42
-3k = 0 + 42

Combine like terms: 0 + 42 = 42
-3k = 42

Divide each side by '-3'.
k = -14

Simplifying
k = -14