s*2+6+s=39

Solution for s*2+6+s=39 equation:

Simplifying
s * 2 + 6 + s = 39

Reorder the terms for easier multiplication:
2s + 6 + s = 39

Reorder the terms:
6 + 2s + s = 39

Combine like terms: 2s + s = 3s
6 + 3s = 39

Solving
6 + 3s = 39

Solving for variable 's'.

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

Add '-6' to each side of the equation.
6 + -6 + 3s = 39 + -6

Combine like terms: 6 + -6 = 0
0 + 3s = 39 + -6
3s = 39 + -6

Combine like terms: 39 + -6 = 33
3s = 33

Divide each side by '3'.
s = 11

Simplifying
s = 11