SOLUTION: Solve each system by substitution. Determine whether each system is independent, inconsistent, or dependent. 18. 5x-6y=23 x=6-3y

Algebra ->  Equations -> SOLUTION: Solve each system by substitution. Determine whether each system is independent, inconsistent, or dependent. 18. 5x-6y=23 x=6-3y      Log On


   

Question 44035This question is from textbook College Algebra
: Solve each system by substitution. Determine whether each system is independent, inconsistent, or dependent.
18. 5x-6y=23
x=6-3y This question is from textbook College Algebra

Answer by adamchapman(301) About Me  (Show Source):
You can put this solution on YOUR website!
5x-6y=23............(i)
x=6-3y..............(ii)
Substitute equation (ii) into equation (i) for x:
5(6-3y)-6y=23
30-15y-6y=23
7=21y
y=7/21
y=1/3
I hope this helps
P.S. I am trying to start up my own homework help website. I would be extremely grateful if you would e-mail me some feedback on the help you received to adam.chapman@student.manchester.ac.uk