Question

3x – 5y = 21

2x + y = 1
A. (2, –3)
B. (2, 3)
C. (–2, –1)
D. (–2, 1)

Answer 1

multiply the second equation by 5, then add the two equations.

13x=26
x=2
then put x=2 into either equation, solve for y.