Simultaneous Equations

Question 1:

4x +8y = 66 5x +3y = 58
x=9.5 y=3.5

Question 2:

2x y = 6 6x +5y = 26
x=3.5 y=1

Question 3:

4x +8y = -14 2x 6y = -32
x=-8.5 y=2.5

Question 4:

8x +5y = 47 8x 7y = 59
x=6.5 y=-1

Question 5:

6x +2y = -46 7x +y = -49
x=-6.5 y=-3.5

Question 6:

8x 4y = 42 4x +2y = 15
x=4.5 y=-1.5