Simultaneous Equations

Question 1:

2x +5y = 9 2x +y = 5
x=2 y=1

Question 2:

2x +2y = 26 x +y = 13
x=10 y=3

Question 3:

4x −2y = 2 2x +4y = 26
x=3 y=5

Question 4:

3x +4y = 27 5x +4y = 29
x=1 y=6

Question 5:

5x −5y = 10 2x −5y = -2
x=4 y=2

Question 6:

2x −5y = -27 x −2y = -9
x=9 y=9