1) If x - 2y = 15 and 2x + 6y = 8 then what is the value of y ? a) -5 b) 53/5 c) -11/5 2) If 5m - 2n = 17 and 3m + n = 8 then what is the value of n ? a) 3 b) -1 c) -3 d) 7 3) If x + y = 20 and x - y = 10 then find the value of y a) 5 b) -5 c) 2 d) -2 4) If y = 2x + 4 then 3x + y = 9 then x is equal to ? a) 6 b) 1 c) 2 d) 4 5) If y - x = 26 and y = 3x then find the value of y. a) 13 b) 39 c) 26 d) 1

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