Simultaneous Equations

Question 1:

4x +3y = 51 3x +2y = 37
x=9 y=5

Question 2:

x 2y = -10 4x +5y = 90
x=10 y=10

Question 3:

2x y = -3 5x 2y = -5
x=1 y=5

Question 4:

3x 4y = -15 4x +2y = 24
x=3 y=6

Question 5:

4x +5y = 23 2x +2y = 10
x=2 y=3

Question 6:

2x +2y = 26 4x +4y = 52
x=4 y=9