SOLUTION: y=1/3x+11 y=3x-9

Algebra ->  College  -> Linear Algebra -> SOLUTION: y=1/3x+11 y=3x-9      Log On


   

Question 353239: y=1/3x+11 y=3x-9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.y=%281%2F3%29x%2B11
2.y=3x-9
Since they both equal y, set them equal to each other and solve for x.
%281%2F3%29x%2B11=3x-9
x%2B33=9x-27
8x=60
highlight%28x=15%2F2%29
Then from eq. 2,
y=3%2815%2F2%29-9
y=45%2F2-18%2F2
highlight%28y=27%2F2%29