7(3s+6)=147

Solution for 7(3s+6)=147 equation:

Simplifying
7(3s + 6) = 147

Reorder the terms:
7(6 + 3s) = 147
(6 * 7 + 3s * 7) = 147
(42 + 21s) = 147

Solving
42 + 21s = 147

Solving for variable 's'.

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

Add '-42' to each side of the equation.
42 + -42 + 21s = 147 + -42

Combine like terms: 42 + -42 = 0
0 + 21s = 147 + -42
21s = 147 + -42

Combine like terms: 147 + -42 = 105
21s = 105

Divide each side by '21'.
s = 5

Simplifying
s = 5