b. 3x - y = 2, 2x + y = 8
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Question
✳️3x-y=2;2x+y=8
Solution ⬇️
✍️3x-y=2...(1)
✍️2x+y=8...(2) adding eq 2 from 1
✍️5x=10
✍️x=2
✳️ substituting value x=2 in equation 1
✍️3x-y=2..(1)
✍️3(2)-y=2
✍️6-y=2
✍️-y=2-6
✍️-y=-4
✍️y=4
➡️(x,y)(2,4)is the solution of the given quadratic equations
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