ax+by & bx+ay model questions

solve: 55x+ 67 y = 311 67 x+55 y =299

• x=2 , y=-3

• x=2 , y=3

• x=2 , y=4

• x=-3 , y=-4

Solve: 3x + 4y = 20 4x + 3y = 25

• x=4 , y=2

• x=5 , y=3

• x=6 , y=4

• x=2 , y=1

Solve: 2x - 5y = 7 3x + 2y = 1

• x=3 , y=-1

• x=2 , y=-2

• x=1 , y=3

• x=4 , y=2

Solve: 6x + 7y = 45 7x - 6y = 33

• x=3 , y=2

• x=4 , y=5

• x=5 , y=6

• x=2 , y=1

Solve: 2x + 3y = 11 3x - 2y = 4

• x=2 , y=3

• x=1 , y=2

• x=3 , y=1

• x=4 , y=2

Solve: 4x - 5y = 7 2x + 7y = 3

• x=1 , y=-1

• x=2 , y=3

• x=3 , y=2

• x=4 , y=-2

Solve: 5x + 6y = 23 6x - 5y = 19

• x=2 , y=3

• x=3 , y=4

• x=4 , y=5

• x=5 , y=6

Solve: 7x + 8y = 41 8x - 7y = 37

• x=3 , y=2

• x=4 , y=5

• x=5 , y=6

• x=2 , y=1

Solve: 9x - 10y = 17 5x + 10y = 13

• x=1 , y=-1

• x=2 , y=3

• x=3 , y=2

• x=4 , y=-2

Solve: 4x + 5y = 23 5x - 4y = 19

• x=2 , y=3

• x=3 , y=4

• x=4 , y=5

• x=5 , y=6