Respuesta :

PorterPanhorst

Answer:

Step-by-step explanation:

Equations:

x + y = 7

x - y = 3

Add and solve for "x":

2x = 10

 

x = 5

Solve for "y":

x + y = 7

5 + y = 7

y = 2

nonsibi

Elimination frenzy.

  x+y=7

+(x-y=5)

---------------

2x=12

x=6

6+y=7

y=1

answer: 6 and 1