Answer:
Since you didnt include an actual question im guessing you are looking for the tip amount which would be $ 7.77
Step-by-step explanation:
49.77-42=7.77
Answer:
18
Step-by-step explanation:
Answer:
all are shown and pictured
Answer:
x=−8 and y=−4
Step-by-step explanation:
8x−17y=4;−8x+15y=4
add eqn1 and 2
to eliminate x
you will get y=-4
put it zin eqn 1
x=-8