SOLUTION: solve each system by substitution 3x+y=15 y=4x-6

Algebra ->  Graphs -> SOLUTION: solve each system by substitution 3x+y=15 y=4x-6      Log On


   

Question 243691: solve each system by substitution
3x+y=15
y=4x-6
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
3x+y=15
y=4x-6
3x+4x-6=15
7x=21
x=3
9+y=15
y=6