exam Maths Puzzle Numerical Ability

what is x & Y?
Problem:
3x/y - 2/x = 1

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exam Other Question

Please help. -5(1-5x)+5(-8x-2)=-4x-8x Thank you. i need to factor the quadratic expression completely and find the roots of this expression. i came up with (15x-13) & (9x-7) is this correct for this problem? Thank you.
135x2 - 222x + 91