Question

metodo de igualacion
3x - 2y = -2
5x + 8y = -60

Answer 1

Respuesta:

x = - 4

y = - 5

Explicación paso a paso:

Igualamos x 1 :

3x - 2y = -2

x = (2y - 2)/3

Igualamos x 2 :

5x + 8y = -60

x = ( - 60 -8y)/5

Igualamos ambas "x":

(2y - 2)/3 = ( - 60 -8y)/5

10y - 10 = -180 -24y

34y = -170

y = -5

Hallamos "x":

3x - 2(-5) = - 2

3x + 10 = -2

3x = -12

x = -4

Comprobamos:

5(-4) + 8(-5) = -60

-20 -40 = -60