66=-1.2(s+3)

Solution for 66=-1.2(s+3) equation:

Simplifying
66 = -1.2(s + 3)

Reorder the terms:
66 = -1.2(3 + s)
66 = (3 * -1.2 + s * -1.2)
66 = (-3.6 + -1.2s)

Solving
66 = -3.6 + -1.2s

Solving for variable 's'.

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

Add '1.2s' to each side of the equation.
66 + 1.2s = -3.6 + -1.2s + 1.2s

Combine like terms: -1.2s + 1.2s = 0.0
66 + 1.2s = -3.6 + 0.0
66 + 1.2s = -3.6

Add '-66' to each side of the equation.
66 + -66 + 1.2s = -3.6 + -66

Combine like terms: 66 + -66 = 0
0 + 1.2s = -3.6 + -66
1.2s = -3.6 + -66

Combine like terms: -3.6 + -66 = -69.6
1.2s = -69.6

Divide each side by '1.2'.
s = -58

Simplifying
s = -58