I think it is 5 because you solve it
Answer:
The answer is simply 26,25/3 which gives that each book costed 8,75 dollars assuming of course that all books have the same price.
I'll do something similar to this, and I challenge you to do this on your own!
<something>-7=-34
Making that something equal to x, we have x-7=-34. Adding 7 to both sides using the addition property of equality (and to separate the x), we have
-34+7=x=-27
Good luck, and feel free to ask with any further questions!
Answer:
14
Step-by-step explanation:
12:6=2
12+2=14
so her brother it's 14 years old
Answer:
x = 9
Angle B = 40°
Step-by-step explanation:
Angle A = Angle B




Angle B = 3x + 13 = 3(9) + 13 = 27 +13 = 40°
Hope this helps