Question

if the replacement set = [-6,-3,0,3,6,9] find the truth set of the following 2x-1>9 and 3x+7 < 1​

Answer 1

$\huge{\bold{\pink{Answer}}}$

2x – 1 > 9

⇒ 2x – 1 + 1 > 9 + 1 (Adding 1)

⇒ 2x > 10

⇒ x > 5 (Dividing by 2)

⇒ x > 5

$\small\bold\red{Required \: answer \: = \: {6, 9}}$

Answer 2

2x – 1 > 9

⇒ 2x – 1 + 1 > 9 + 1 (Adding 1)

⇒ 2x > 10

⇒ x > 5 (Dividing by 2)

⇒ x > 5

Required answer = 6,9