Question

Solve this linear system using determinants:

2x + 3y = 6
- 8x - 3y = 12
A=
Az =
[Ayl =

Answer 1

2×+3y=6

-8×-3y=12

-6×=18

×=18/-6

×=-3

——————

2×+3y=6

2(3)+3y=6

6+3y=6

3y=6-6

3y=0

Y=0/3

Y=0

——————

×=3

Y=0

————

2×+3y=6

2(3)+3(0)=6

6=6

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