Problem
Translate the sentence into an equation. Seven times the sum of a number and 8 is equal to 5 . Use the variable $w$ for the unknown number.
Solution
Step 1 ：Translate the sentence into an equation: \(7(w + 8) = 5\)
Step 2 ：Solve for w: \(w = -\frac{51}{7}\)
Step 3 ：\(\boxed{-\frac{51}{7}}\) is the final answer
