42=4s

Solution for 42=4s equation:

Simplifying
42 = 4s

Solving
42 = 4s

Solving for variable 's'.

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

Add '-4s' to each side of the equation.
42 + -4s = 4s + -4s

Combine like terms: 4s + -4s = 0
42 + -4s = 0

Add '-42' to each side of the equation.
42 + -42 + -4s = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -4s = 0 + -42
-4s = 0 + -42

Combine like terms: 0 + -42 = -42
-4s = -42

Divide each side by '-4'.
s = 10.5

Simplifying
s = 10.5