-42=-3s

Solution for -42=-3s equation:

Simplifying
-42 = -3s

Solving
-42 = -3s

Solving for variable 's'.

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

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

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

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

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

Combine like terms: 0 + 42 = 42
3s = 42

Divide each side by '3'.
s = 14

Simplifying
s = 14