Forming equation by substitution
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2x+y=7, xy=3
-2x²+14x-3=0
y=5-x, xy=-4
-x²+5x+4=0
y=3x-5, 11x-3y+7=0
2x=22=0
y=x+1, x²+y²=9
2x²+2x-8=0
y=x+6, y=10-2x²
2x²+x-4=0
y=2x-3, xy=7
2x²-3x-7=0
y=-x, x²+y²=49
2x²-49=0
y=x, x²+y²=4
2x²-4=0
y=x-2, x²+y²=36
2x²-4x-32=0
y=x+1, 2x+y=11
3x+1=11
y=2x+1, x²+y²=64
5x²+4x-63=0
y=7-2x, x²+y²=144
5x²-28x-95=0
y=2x, x+3y=8
7x=8
y=x+3, xy=-1
x²+3x+1=0
y=2-x, y = x²-4
x²+x-6=0
y=x+1, xy=6
x²+x-6=0
y=x²+1, y=2x²-1
x²-2=0
y=x+1, y=(x-2)²
x²-5x+3=0
y=x-1, xy=12
x²-x-12=0
y=½x-2, xy=1
½x²-2x-1=0
