Question

If 3x + 12 = 18, find the value of 4x + 1.
4x +1=1

Answer 1

4x + 1 = 9

Explanation:

3x + 12 -12 = 18 - 12 ---> 3x = 6 ---> x = 2.

Since x = 2, 4x + 1 is the same as (4 * 2) + 1.

(4 * 2) + 1 = 9.