Question

Solve the following simultaneous equations using cramer's rule 3x - 2y =3 ; 2x + y = 6

Answer 1

3x-2y =3 ×1
2x+y=6 ×2

3x-2y=3
4x+2y=12
cancel -2y and +2y then and solve that
7x=15
x=15/7
therefore x = 7.14........

Answer 2

7×15. x=15/7 x=7.14...is answer