Question

ii) Solve the simultaneous equation by using Cramer's Rule Method.
4x +3y= -12,8x-3y=-2​

Answer 1

Answer:

4x+3y=-12

8x-3y=-2

_________

multyply eq 1 by 2& eq 2by -1

8x+6y=-24

-8x+3y=+2

____________

9y=-22

y=-22/9

put value of y in eq 2

-8x+3(-22/9)=2

-8x=2+22/3

-8x=28/3

×=7/6