There are an infinite number of them.
Here are a few:
x= -2, y= -5/3
x= -1, y= -4/3
x= 0, y= -1
x= 1, y= -2/3
x= 2, y= -1/3
x= 3, y= 0
x= 12, y= 3
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2x+3y=13 3x-y=3 x=2
If: 2x-3y = -15 and x = 4y Then: x = -12 and y = -3
x = 3y x - 3y = 3y - 3y x - 3y = 3y - 3y x - 3y = 0
2x=3yx=3y-32(3y-3)=3y substitution6y-6=3y distributive property3y=6 addition property of equalityy=2 multiplication(division) property of equalityx=3(2)-3 substitutionx=6-3x=3
x - 2y = 04x - 3y = 15From the first equation, x = 2y.SUBSTITUTING this value of x in the second equation,4*(2y) - 3y = 15 ie 8y - 3y = 15 or 5y = 15 so that y = 3and then, x = 2y gives x = 2*3 = 6Answer: x = 6, y = 3