5x+4y=30;3x+y=11 find x and y

Answers (1)

5x+4y=30 ....(i)

3x+y=11...(ii)

4x equation (ii) - equation (i)

12 x + 4y -5x - 4y = 44 - 30

7x = 14   => x = 2

y = 11 - 6 = 5

Hence value of x and y is 2, 5 respectively.

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