Respuesta :

Answer:

Step-by-step explanation:

-5x – 3y = -7

(-5x-3y)+7=-7+7

-5x-3y+7=0

(-5x-3y+7)+(5x-7)=5x-7

-5x-3y+7+5x-7=5x-7

-5x+5x-3y+7-7=5x-7

-3y=5x-7

3y/3 = - 5x-7/3

y= - 5/3x + 7/3  < Answer>