Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
Answer:
The greatest possible value of xy is 165.
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
I got 8 in a short version. The full answer is not complete. It is 8.18812697...
But if you shorten it, 8 is the best estimation.
Answer:
I need help with this too
Step-by-step explanation:
Well combine:
2x + 3x + x + 60 = 180
combine like terms:
6x + 60 =180
then move the 60:
6x = -120
now divide both sides by 6:
x= -20
i hope this helped! :)