Question

4× - y= -9
2× + 2y = -2
método de cramer ​

Answer 1

Respuesta:

saludo

Metodo de cramer

Explicación paso a paso:

4x-y=-9

2x+2y=-2

M=[4. -1]. |M| =(4)(2)-(1)(3)

[2 2]. |M| =8-3=-11

Mx= [9. -1]. |M|=(9)(2)-(6)(1)

[6. 2]. |M|=18-6=34

My=[4. 9]. |M|=(4)(6)-(2)(9)

[2. 6]. |M|=24-18=6

y=|My|=-6=1.8333

|M|= -11

x=|Mx|=-34=3.909

|M| -11