SOLUTION: Determine how many solutions exist for the system of equations 18x−3y=−9 y=−6x−9

Algebra ->  Graphs -> SOLUTION: Determine how many solutions exist for the system of equations 18x−3y=−9 y=−6x−9      Log On


   

Question 939463: Determine how many solutions exist for the system of equations 18x−3y=−9
y=−6x−9
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
18x−3y=−9
3( 6x + y=−9)
36x = -36
x = -1 and y = -3 -6+%2B+y+=+-9
...
Ordered Pair (-1,-3) the Solution for this System
..
and...checking
18x−3y=−9
-18 + 9 = -9