What is the solution of the linear system of equations?

y=5
y=x+7

A.
(0, 7)

B.

(–7, 0)

C.

(–5, 2)

D.

(–2, 5)

https://static.k12.com/calms_media/media/1417000_1417500/1417270/1/76e84b081d096d61f4d7433dcbecdb88438b3f5e/MS_PA_130905_170076.jpg

Question

What is the solution of the linear system of equations?

y=5
y=x+7


  A. 
  (0, 7)   
   

 
 

  

  B. 
 
(–7, 0)
   
   

 
 

  

  C. 
 
(–5, 2)
   
   

 
 

  

  D. 
 
(–2, 5)
 
https://static.k12.com/calms_media/media/1417000_1417500/1417270/1/76e84b081d096d61f4d7433dcbecdb88438b3f5e/MS_PA_130905_170076.jpg

greatlife44 · Answer

Easy put the first equation into the second: 

y = 5 

5 = x + 7 

5-7 = x 

x = -2 

(-2,5)