6. Find out which of the following equations have
x = 2, y = -1 as a solution :
(i) 5x + 2y = 8 (ii) 4x – 3y = 14
i 2y + 2 = 3x + 6 (iv) 3y - 5 + 5x = 2
V) 3y - 4 + x = 2 (vi) 10x + 7y - 13 = 0
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Answer:
5×2+2×-2
10+-2
=8
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