3s+6+4s=-20

Solution for 3s+6+4s=-20 equation:

Simplifying
3s + 6 + 4s = -20

Reorder the terms:
6 + 3s + 4s = -20

Combine like terms: 3s + 4s = 7s
6 + 7s = -20

Solving
6 + 7s = -20

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 + 7s = -20 + -6

Combine like terms: 6 + -6 = 0
0 + 7s = -20 + -6
7s = -20 + -6

Combine like terms: -20 + -6 = -26
7s = -26

Divide each side by '7'.
s = -3.714285714

Simplifying
s = -3.714285714