Answer:
the answer is 879
Step-by-step explanation:
4200ft divided by 20 ft per second divided by 60 seconds is 1400 minutes

+ 3x + 5
-

+ 6x + 5
-----------------------------------------
4x - 3 + 0
The answer would be (2,3).
Try sketching it out, it helps :)
Answer:
288
Step-by-step explanation:
2/x = 576
you have to make the x by itself so you would have to multiply 1/2 to 2/x for the first part
then you would carry the 1/2 over to 576 and multiply that by 1/2
the answer would become x = 288