Simultaneous Equations

Question 1:

3x +5y = 59 x +5y = 43
x=8 y=7

Question 2:

5x 5y = 25 2x +3y = 15
x=6 y=1

Question 3:

3x +y = 16 5x 5y = -40
x=2 y=10

Question 4:

4x +4y = 48 2x y = 9
x=7 y=5

Question 5:

x 3y = -7 x +y = 13
x=8 y=5

Question 6:

5x 2y = -2 3x 3y = -12
x=2 y=6