72x-2y = 2 – InterviewSolution

1.

72x-2y = 2

Answer»

3x+4y = 10

2x-2y = 2 => x-y = 1 => x = y+1

now putting x in equation 1 => 3*(y+1) +4y = 10=> 7y = 10-3 = 7=> y = 7/7 =1

so, x = 2

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