[63, 9] [14, 5] [21, 3] [26, ?]

What is the unknown in this pattern, show working please.

Look :

6 + 3 = 9 ===》 [ 63 , 9 ]

1 + 4 = 5 ===》 [ 14 , 5 ]

2 + 1 = 3 ===》 [ 21 , 3 ]

2 + 6 = 8 ===》 [ 26 , 8 ]

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

c

c

c

c

c

c

c

cc

c

step-by-step explanation: