Question

7^2x-1=49^x-1+42 . solve for x

Answer 1

Answer:

Step-by-step explanation:

(7^(2x - 2))(7 - 1) = 42

(7^(2x - 2))(6) = 42

7^(2x - 2) = 7

2x - 2 = 1

2x = 3

x = 3 / 2.