Simultaneous Equations

Question 1:

x +2y = 17 6x 7y = 7
x=7 y=5

Question 2:

8x 4y = -42 8x +8y = -36
x=-5 y=0.5

Question 3:

4x 4y = 58 8x +7y = 11
x=7.5 y=-7

Question 4:

7x 4y = -41 5x 7y = -50
x=-3 y=5

Question 5:

8x 2y = 4 3x 5y = -7
x=1 y=2

Question 6:

7x y = 36 2x 6y = -4
x=5.5 y=2.5