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Eqn 1: x - 2y = 3

Eqn 2: 5x + 3y = 2

5 times Eqn 1: 5x - 10y = 15

Eqn 2 - 5*Eqn 1: 0x + 13y = -13 so that 13y = -13 or y = -1

Substitute in Eqn 1: x + 2*1 = 3

x + 2 = 3

x = 1

Solution: x = 1, y = -1

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15y ago

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