Question

a/b=7/3
(4a-b)(4a+b)​

Answer 1

Answer:

(3) (-4, 20)

(a + 7, 4) = (3, 4a + b)

a + 7 = 3

a = 3 – 7

= – 4

4a + b = 4

4(-4) + b = 4

-16 + b = 4

b = 4 + 16 = 20

The pair (a, 6) is (-4, 20)