Answer: n= number of books
n+5=?
Step-by-step explanation:
I believe the answer is A
Answer:
adding both equations
4x+9y=5
-4x+7y=11
+ + =+
________
0 +16y=16
y=1
putting the value of y in first eqn
4x+9×1=5
4x=5-9
4x=-4
x=-1
so the x is -1 and y is 1
Answer:
You would have to subtract 7/10
Step-by-step explanation:
87/10 - 7/10 would equal 8
Answer:
-7 , -5 , - 3 , 1 ,3
Step-by-step explanation:
ascending order is arranging from the lowest number to highest number.