SOLUTION: How do you find a common solution when y=mx+b and y=mx+b aren't given? So when you are given x=3y and 3x=y+8 how are you supposed to solve to get the common solutions ordered pair

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: How do you find a common solution when y=mx+b and y=mx+b aren't given? So when you are given x=3y and 3x=y+8 how are you supposed to solve to get the common solutions ordered pair      Log On


   



Question 704704: How do you find a common solution when y=mx+b and y=mx+b aren't given?
So when you are given x=3y and 3x=y+8 how are you supposed to solve to get the common solutions ordered pair?

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
x=3y
3y=x
y=x/3 ans. red line.
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3x=y+8
-y=-3x+8
y=3x-8 ans. green line.
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+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%2F3%2C+3x+-8%29+