Question

Solve this system algebraically.

9x + 2y = 5

y - 2x + 3 = 0


{(11/13, -17/13)}
{(-11/13, -17/13)}
{(-11/13, 17/13)}
{(11/13, 17/13)}

Answer 1

9x + 2(2x-3) = 5
13x = 11
x = 11/13

Answer 2

y = 22/13 - 3
= -17/13

Answer 3

What is the value of the system determinant for the following system of equations?

6x + y = 4

5x + y - 7 = 0


-1
1
31

Answer 4

1

Answer 5

x + y = 12

x - y = 10

What is the value of the x-determinant for the system shown?


-22
-12
-2