Simultaneous Equations

Question 1:

4x 4y = 2 4x 7y = 26
x=-7.5 y=-8

Question 2:

8x +3y = -56 2x +8y = 15
x=-8.5 y=4

Question 3:

x +5y = -32 x 7y = 34
x=-4.5 y=-5.5

Question 4:

8x 2y = 64 2x y = 21
x=5.5 y=-10

Question 5:

7x 5y = 13 4x +4y = -44
x=-3.5 y=-7.5

Question 6:

6x +8y = 70 6x 7y = -5
x=5 y=5