Solve by eliminationx+5y=-13 2x-5y=-20
2 answers:
Answer:
x+5y=-13 ......(1)
2x-5y=-20..........(2)
adding equation 1 and 2
x+5y+2x-5y=-13-20
3x=-33
x=-33/3=-11....answer
multiplying equation 1 by 2 and adding equation 1&2
2x+10y-2x-(-5y)=-26-(-20)
10y+5y=-26+20
15y=-6
y=-6/15=-2/5......answer
Answer: x+5y=-13= (x=−5y−13)
2x-5y=-20= <u>(x=5/2y-10) </u>
Step-by-step explanation: The answers are labeled in parenthesis. According to my calculations, this is what I got. Sorry for any inconvenience.
You might be interested in
Answer:
pq are being multiplied together.the answer is D. pq. Hope it helps
Answer:
16000
Step-by-step explanation:
15999 correct to 3 significant figures is 16,000
Answer:
<em>If you get the answer right remember, you get brainliest. Btw Im gonna try and im gonna say 1+1-3x0+30-100</em>
Step-by-step explanation:
Answer:
The answer is 14.
Step-by-step explanation:
4.50 + 2.00x ≤ 32.50
32.50 - 4.50 = 28
28 / 2.00 = 14
The total number of tickets he can buy is 14.
Answer:
it's composed of the digits 4 and 7