SOLUTION: solve each system by graphing. 1. 4y=x=2 2x+y=5 2. 4x+5y=1 3x-y=-4

Question 168758: solve each system by graphing.
1.
4y=x=2
2x+y=5
2.
4x+5y=1
3x-y=-4
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
1.
4y=x+2 [I'll assume the second = should be a +]
y=x/4+2/4
y=x/4+1/2 (red line)
2x+y=5
y=-2x+5 (green line)
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x/4 +1/2 and -2x +5).
Ans.(2,1)
2.
4x+5y=1
5y=-4x+1
y=-4x/5+1/5 (red line)
3x-y=-4
-y=-3x-4
y=3x+4 (green line)
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -4x/5 +1/5 and 3x +4).
Ans. (-1,1)
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