Directions (1-5): In the following questions three equations numbered I, II and III are given. You have to solve all the equations either together or separately, or two together and one separately, or by any other method and give answer
Q1.
I. 7x + 6y + 4z = 122
II. 4x + 5y + 3z = 88
III. 9x + 2y + z = 78
(a) x< y = z
(b) x < y < z
(c) x < y > z
(d) x = y > z
(e) x = y = z
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