use cramers rule to solve each linear system

could somone show me how to do these 5 problems or if u could just show me a few it would be great i got a test tommorow and im clueless so fast help would be appreciated

x-y=7

4x+5y=46

-10x+3y=18

3x-4y=-24

9x+2y=12

5x-3y=19

2x+y=24

-x+6y=14

4x-y=1

7x+8y=-47