Question

The mean of x+2x+3x+4andx-2Is

Answer 1

Answer:

-1

Step-by-step explanation:

Given: The mean of x + 2, 2x + 3, 3x + 4 and 4x + 5 is x + 2

Mean =

4

(x+2)+(2x+3)+(3x+4)+(4x+5)

⇒x+2=

4

10x+14

⇒4x+8=10x+14

⇒6x=−6

⇒x=−1