Question

eliminación gaussiana: 10x − 3y = 36 2x + 5y = −4

Answer 1

Respuesta:

1) 10x - 3y = 36

2) 2x +5y = - 4

2) - 5( 2x + 5y = - 4)

-10x - 25y = 20

10x - 3y = 36

-10x- 25y= 20

- 28y= 56

Y = - 56/28

Y= - 2

10x - 3y = 36

10x - 3(-2) = 36

10x +6 = 36

X =30 /10

X = 3