Question
If 14 (x - y) = 2744 and 14 (x +
y) = 537824, what is the value of x?Solution
14 (x - y) = 2744 = 143 x - y = 3 ----------------(1) 14 (x + y) = 537824 = 145 x + y = 5 ---------------(2) Adding (1) & (2) 2x = 3 + 5 = 8 x = 8/2 = 4
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