5n=30+3n You need to exclude the 4 due to for the first 4GB cost $30 then $3 for each additional GB used
Answer:
y ≤ -5
Step-by-step explanation:
Xy is the number
A) x + y = 7
B) 10y + x = 10x + y + 9
collecting terms of equation B
B) -9x + 9y = 9
multiplying A) by 9
A) 9x + 9y = 63 then adding it to equation B)
B) -9x + 9y = 9
18y = 72
y = 4
x = 3
The number is 34
I believe that 21 is d 27 over 17
I believe that 22 is d because 16 divided by 3.20 is 5
sorry if I am wrong
I hope this helps you
Answer:
12x+4=0
Step-by-step explanation:
just translate what is written and don't forget to write (=0)