So m=2, wherever m is put a 2
5x2+2(2+8)+3
Then do bidmas
Brackets-
5x2+2x10+3
Multiplication-
10+20+3
Addition-
33
Answer:33
Since the deepest point of Death Valley is below sea level, its altitude is negative. So, the difference between the altitudes is

Subtracting a negative means to add, so we have

63 = 10 + m
hope this helps :)
You could use an equation like y=6x
Answer:
You would have to score 17 points.
Step-by-step explanation:
13x6=78 is the points you have to reach to get 13 points per game.
Add up all numbers, which is 61.
78-61=17
That is your answer.