QuestionSolve for $s$. $$\begin{array}{l} 3+3 s=15 \\ s=\square \end{array}$$

Studdy Solution
To verify the solution, substitute $s = 4$ back into the original equation:
$$3 + 3(4) = 15$$
Simplify the left-hand side:
$$3 + 12 = 15$$
Since both sides of the equation are equal, the solution is correct.
The solution is:
$$\boxed{4}$$