Which is the solution set of the compound inequality 3.5x-10> -3 and 8x-9< 39?
a) -2 b) -2 c) 2 d) 2

The solution set of the given compound inequality is x ∈ (2 , 6)    

Step-by-step explanation:

The inequalities are given to be : 3.5x - 10 > -3 and 8x - 9 < 39

First take : 3.5x - 10 > -3

Adding 10 on both the sides

⇒ 3.5x - 10 + 10 > -3 + 10

⇒ 3.5x  > 7

Now, dividing by 3.5 both the sides

⇒ x > 2

Now, 8x - 9 < 39

Adding 9 on both the sides

⇒ 8x - 9 + 9 < 39 + 9

⇒ 8x < 48

Now, dividing by 8 on both the sides

⇒ x < 6

Thus, The solution set of the given compound inequality is x ∈ (2 , 6)

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