You’d plug in the 0.6 for x. so you’d multiple 0.6 times 2.5 then you’d get 1.5 then you’d add 1.5 plus 5.8 and get 7.3
The answer is 9 because you solve it from left to right and 3x5 equals 15, 15 subtracted by 6 equals 9
the first two professors did not know if everyone wanted coffee because the third professor had to choose yes or no if he wanted coffee. the first two professors were waiting for the third to say something, and when he said no, they knew he did not want coffee. if one of the first two professors said no, the answer would be no.
6-3-3=-0 its - cause 3+3=6 and if 3-6-3 is o but its already o then just put a little line net to the zero
