Question

Given f(x) = 3x + 1, solve for x when f(x) = 7.

Answer 1

x = 2

Explanation:

Step 1: Define

f(x) = 3x + 1

f(x) = 7

Step 2: Substitute

7 = 3x + 1

Step 3: Solve for x

6 = 3x

x = 2