-18.6=21s

Solution for -18.6=21s equation:

Simplifying
-18.6 = 21s

Solving
-18.6 = 21s

Solving for variable 's'.

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

Add '-21s' to each side of the equation.
-18.6 + -21s = 21s + -21s

Combine like terms: 21s + -21s = 0
-18.6 + -21s = 0

Add '18.6' to each side of the equation.
-18.6 + 18.6 + -21s = 0 + 18.6

Combine like terms: -18.6 + 18.6 = 0.0
0.0 + -21s = 0 + 18.6
-21s = 0 + 18.6

Combine like terms: 0 + 18.6 = 18.6
-21s = 18.6

Divide each side by '-21'.
s = -0.8857142857

Simplifying
s = -0.8857142857