Simultaneous Equations

Question 1:

2x 3y = 0 2x y = 12
x=9 y=6

Question 2:

2x 5y = -4 2x 2y = 8
x=8 y=4

Question 3:

2x +4y = 18 2x +y = 9
x=3 y=3

Question 4:

2x 2y = -8 2x 3y = -14
x=2 y=6

Question 5:

5x 3y = 23 5x 2y = 32
x=10 y=9

Question 6:

4x +y = 22 4x 3y = -2
x=4 y=6