Question

metodo de igualacion

3x+2y=-8
x+y= -1

Answer 1

Respuesta:

x = -6 ; y = 5

Explicación paso a paso:

*x+y = -1

x = -1-y

*3x+2y = -8

3(-1-y)+2y = -8

-3-3y+2y = -8

-3+8 = y

5 = y

*x = -1-y

x = -1-5

x = -6