Question

13(y-4) -3(y-9) 5(y+4) ​

Answer 1

Step-by-step explanation:

13(y-4) - 3(y-9) + 5(y+4)

= 13y - 52 - 3y + 27 + 5y + 20

= 15y - 5

Taking 5 as common we get,

= 5(3y - 1)

Answer 2

Answer:

{x,y} = {5/2,-13/2}  

Step-by-step explanation:

Solution :

{x,y} = {5/2,-13/2}  

 

System of Linear Equations entered :

  [1]    x - y = 9

  [2]    x + y = -4

Graphic Representation of the Equations :

   y + x = 9        y + x = -4