Which equation shows the substitution method being used to solve the system of linear equations?

x + y = 6
x = y + 5

A.x + (y + 5) = 6

B.x + y = y + 5

C.x = (x – 6) + 5

D.(y + 5) + y = 6

Question

Which equation shows the substitution method being used to solve the system of linear equations?
 
x + y = 6
x = y + 5
 
 
 A.x + (y + 5) = 6
 
 B.x + y = y + 5
 
 C.x = (x – 6) + 5
 
 D.(y + 5) + y = 6

anonymous · Answer

I believe its is d

anonymous · Answer

yes

anonymous · Answer

[1] x+y=6
[2] x=y+5

substitution = moving one equation into the other.
since [2] x=y+5
put [2] into [1] x+y=6 replacing x with y+5
and that is why

anonymous · Answer

Thank you for explaining it I had a big problem with this. I had to go to my teacher and get help.