Answer:
6
Step-by-step explanation:
3x plus 12= 8x -18
subtract twelve on both sides:
3x= 8x- 30
minus 8x on both sides:
-5= -30
divide:6
Answer:
First one and last one
Step-by-step explanation:
ill help but where is the clock?
Mentally
As they are numbers which you can do mental math with since they are whole numbers.
Answer:
(1, 1)
Step-by-step explanation: