Answer:
x=4 and y=4
Step-by-step explanation:
From first function we have:

And from the second one:

Substitute them:

Answer:
Notebooks= 8.75
computer bags=74.95
Amount with tax = Approximately 89.559
Answer:
x is 0.
Step-by-step explanation:
Subtract both sides by 3x. Then, you will have 10= x+10. Subtract 10 on both sides to isolate x, then you will have x=0. Therefore, this equation on both sides has a solution of 0. Hope this helps!
Answer:
f = 4
Step-by-step explanation:
60= 15f
divide both side by 15
f = 4