Question

13,x+24,85, then x = ?​

Answer 1

Answer:

85+13/2=46

x+24=46

x=46-24=22

therefore x=22

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Answer 2

Step-by-step explanation:

If this is an AP then

a=13

a3=85

85=a+2d

85=13+2d

85-13=2d

72/2=d

36=d

a2=a+d

13+36=49

x+24=49

x=49-24=25.

Verify:13

13+36=49

49+36=85.