Question

Solve the system of equations below.

x + y = 8
3x + 2y = 21
(3, 5)
(5, 3)
(2, 6)
(6, 2)

Answer 1

B.(5,3)

Explanation:

I took the exam

Answer 2

A) x + y = 8

B) 3x + 2y = 21

We multiply A) by -2

A) -2x -2y = -16 Then we add this to

B) 3x + 2y = 21

x = 5

y = 3

Second answer is correct

Explanation: