Step-by-step explanation:
b = 1........... .. ...... .
3 times (2x + 5) is 6x + 15.
6x + 15 = 9 + 3x.
Group by like terms. 6 = -3x
Divide to get x by itself. 6/-3 = -2
Thus -2 = x
Answer:
160 cubic inches
Step-by-step explanation:
Answer:
one
Step-by-step explanation: