Question

for the data 21, 25, 17, (x+3), 19,(x-4), 3 if the mean is 18 find the value of x

Answer 1

Answer:Hey

Step-by-step explanation:

21+25+17+(x+3)+19+(x-4)+3÷7=18

84+2x=18×7

2x=126-84

2x=42

x=21

(x+3)=21+3

=24

(x-4)=21-4

=17