Ok, so if you’re saying -18=r-3, then first you need to add 3 to each side so you can move the 3 with the -18 so you can isolate r. (Leave it by itself). So now your equation is -18+3=r. Next, combine like terms, so do -18+3, which is -15. Now you have -15=r, so r is equal to -15.
Answer:
60 hours
Step-by-step explanation:
300 ÷ 30 = 10
10 x 6 = 60
Hope this helps :)
Answer:
1) yes
2) no
3) yes
4)no
5)no
Step-by-step explanation:
Answer:
Jack
Step-by-step explanation:
Jack has more books because 15 is more than 12
lol
Answer:
every 6 rolls
Step-by-step explanation: