The following set of equations has to be solved :
3x - 2y = 10 ...(1)
4x - y = 5 ...(2)
4*(1) - 3*(2)
=> 12x - 8y - 12x + 3y = 40 - 15
=> -5y = 25
=> y = -5
(1) - 2*(2)
=> 3x - 8x - 2y + 2y = 10 - 10
=> -5x = 0
=> x = 0
The solution of the given set of equations is x = 0 and y = -5
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