Me pueden ayudar a resolver por método de sustitución porfa.

{5x+7y=-1

{-3x+4y=-24

La solución del sistema de ecuaciones es (The solution for the system of equations is):

,

Step-by-step explanation:

La resolución del sistema de ecuaciones por el método de sustitución se presenta a continuación (The solving of the system of equations by substitution method is presented hereafter):

Entonces, (Then,)

okay, if you need all you need to do is ask, and i'll do my best to assist you.

step-by-step explanation:

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.