Answer:
(x, y) =(2,-3)
Step-by-step explanation:
4x+3y=-1
3x-9y=33 /:3
4x+3y=-1.....(1)
x-3y=11... (2)
(1)+(2): 5x=10
x-3y=11
x=10/5
x-3y=11
x=2
2-3y=11
x=2
-3y=11-2
x=2
-3y=9
x=2
y=9/(-3)
x=2
y=-3
(x,y)=(2,-3)
Answer:
135
Step-by-step explanation:
:)
Answer:
Sorry, don’t know that one ♀️
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
It is a right angle so it will add up to 90 degrees.
This is the equation:
x=90-19-56
x=15
Answer:
p - 0.05p
Step-by-step explanation:
The price of the car is p.
You must subtract from p the amount of 5% of p.
5% of p = 5% * p = 0.05p
5% of p is the same as 0.05p.
Now we subtract 0.05p from p.
p - 0.05p
