10=-2(s+3)

Solution for 10=-2(s+3) equation:

Simplifying
10 = -2(s + 3)

Reorder the terms:
10 = -2(3 + s)
10 = (3 * -2 + s * -2)
10 = (-6 + -2s)

Solving
10 = -6 + -2s

Solving for variable 's'.

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

Add '2s' to each side of the equation.
10 + 2s = -6 + -2s + 2s

Combine like terms: -2s + 2s = 0
10 + 2s = -6 + 0
10 + 2s = -6

Add '-10' to each side of the equation.
10 + -10 + 2s = -6 + -10

Combine like terms: 10 + -10 = 0
0 + 2s = -6 + -10
2s = -6 + -10

Combine like terms: -6 + -10 = -16
2s = -16

Divide each side by '2'.
s = -8

Simplifying
s = -8