(2, 10) is not a solution to the system of equations.
Given the system of equations;
−3x−4y=4 ..................... 1 * 1
−5x+y=2 ......................... 2 * 4
Solving using the elimination method
−3x−4y=4
−20x+4y=8
Add both expressions
-3x - 20x = 4 + 8
-23x = 12
x = -12/23
Substitute x = -12/23 into the equation 2
-5(-12/23) + y = 2
60/23 + y = 2
y = 2 - 60/23
y = (46-60)/23
y = -14/23
This shows that (2, 10) is not a solution to the system of equations.
Learn more here: https://brainly.com/question/15165519
