SOLUTION: y - 4x = 3 2x - 3y = 21

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: y - 4x = 3 2x - 3y = 21      Log On


   

Question 245609: y - 4x = 3
2x - 3y = 21
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y - 4x = 3
y=3x+3 (red line)
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2x - 3y = 21
-3y=-2x+21
y=-2x/-3+21/-3
y=2x/3-7 (green line)
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+3x+%2B3%2C+2x%2F3+-7%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x +3 and 2x/3 -7).
Solution (-30/7,-69/7).