X + 9 = 2x - 8
2x - x = 9 + 8
x = 17
BC = x = 17
answer
17 units
A.) Both services will cost the same if it is for a 3 hours service.
B.) 16+9X=20+7X.
=>9x-7x=20-16.
=>2x=4.
=>x=4/2.
=>x= 2.
Answer:
17
Step-by-step explanation:

n = 4




You can skip 4 in that equation and you'll be left with 2x+12=0, which gives you 2x=-12 and finally, x=-6
Answer:
ooo easy
Step-by-step explanation: