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

x + y = 6
x = y + 5

A.
x = (x – 6) + 5

B.
(y + 5) + y = 6

C.
x + y = y + 5

D.
x + (y + 5) = 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 = (x – 6) + 5
 
 B.
(y + 5) + y = 6
 
 C.
x + y = y + 5
 
 D.
x + (y + 5) = 6

anonymous · Answer

@johnweldon1993

johnweldon1993 · Answer

Wel since we know that x = y + 5 we sub that into the first equation for 'x'

$$\large (y + 5) + y = 6$$

anonymous · Answer

i thought it was B. well i acually knew it but i was making sure of it

johnweldon1993 · Answer

Of course you did smarty pants ;P

anonymous · Answer

The system of equations is inconsistent.
 
What are the missing values?
5x   y=2
    x+3y=8

anonymous · Answer

and im not a smarty apnts i hate that word

anonymous · Answer

pants*

johnweldon1993 · Answer

Was there supposed to be a + or - sign in the first equation?

anonymous · Answer

+

anonymous · Answer

heeelloo....

anonymous · Answer

@johnweldon1993

anonymous · Answer

@johnweldon1993