SOLUTION: Need help please: Use substitution to solve system of equations: 2x-y=8 y=2x-3 I cannot come up with anything that works. Thanks!

Algebra ->  Equations -> SOLUTION: Need help please: Use substitution to solve system of equations: 2x-y=8 y=2x-3 I cannot come up with anything that works. Thanks!      Log On


   

Question 691862: Need help please: Use substitution to solve system of equations:
2x-y=8
y=2x-3
I cannot come up with anything that works. Thanks!
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y=8

2x-( y )=8

2x-( 2x - 3 )=8 ... replace y with 2x-3 (since y = 2x - 3)

2x-2x+3=8

0x+3=8

0x=8-3

0x=5

0=5 ... which is ALWAYS FALSE

So there are NO solutions.

The system is inconsistent.