The answer would be -6 as far as I know
X=18 (3/8)
(8x/7) +9 = 30
subtract 9 from both sides
8x/7=21
multiply 7 from both sides
8x=147
divide 8 from both sides and you get
x=18 (3/8)
Answer:
Vota Trump
Step-by-step explanation:
What id the mean of the set? 10, 15, 14, 8, 18, 11, 12, 12, 10, 10, 17, 16
Elan Coil [88]
The Mean is of the data is 12.75