find four solutions of the equation: 3x +5y=15.
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Answer:
3(3) + 5y = 15
9 + 5y = 15 Solution is (3,1)
5y = 6
y = 1
3x + 5(0)= 15
3x + 0 = 15 Solution is (5,0)
3x = 15
x = 5
3(0) + 5y = 15
5y = 15 Solution is (3,0)
y = 3
3x + 5(6) = 15
3x + 30 = 15 Solution is (6,-3)
3x = -15
x = -5
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