-3(2r+7)=3
distribute -3
-6r-21=3
add 21 to both sides, this causes the 21 on the left to cancel itself out.
-6r=24
divide each side by -6, this causes the -6 on the left side to cancel itself out.
r=-4
Answer:
median = 5
Step-by-step explanation:
1,2,4,6,7,9
median = middle position = (4+6)/2 = 5
Answer:
167
Step-by-step explanation: