Question

Which of the following values of z satisfies 5 z + 8 = 23 ?

Answer 1

Answer: Correct option is B)

Step-by-step explanation:

5x+2<3x+8

2x<6

x<3

Now, the second inequality is  

(x−1)

(x+2)

​

<4

The expression can be written as 1+

x−1

3

​

<4

3/(x−1)<3

1/(x−1)<1

x>2 or x<1

∴ Option B.

Answer 2

Answer:

Which of the following values of z satisfies 5 z + 8 = 23 ?

Step-by-step explanation:

5z + 8 = 23

now subtract the 23 - 8 = 15

the equation will be 5z = 15

z = 15/5

Final answer is z = 3

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