Question

d) 5x-3y = 11

x - y = 8

3x-3y = 16

Answer 1

Answer:

1) 5x -3y = 11

2) x -y =8

x = y+8

5( y+8) -3y =11

5y +40 -3y = 11

2y =11 -40

y = -29/2

x = y +8

x = -29/2 +8

x = (-29+16)/2

x = -13/2