<h2>(x, y) = (21/13 , 84/13)</h2>
Step-by-step explanation:
x + 3y = 21
- 4x + y = 0
y = 4x
<h2>_____________</h2>
x + 3y = 21
x + 3(4x) = 21
x + 12x = 21
13x = 21
x = 21/13
y = 4x
y = 4 (21/13)
y = 84/13
(x, y) = (21/13 , 84/13)
Step-by-step explanation:

The probability of an event that has two possible outcomes is 1/2
<h3>What is Probability?</h3>
This refers to the likelihood of an event occurring and this can be found by calculating using a mathematical model.
It should be noted that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
Read more about probability here:
brainly.com/question/24756209
#SPJ1
Answer:
The full answer in the media.Good luck!
Answer:
the answer is 7/ 19 . pls mark it brainliest