Elimination Method of Finding Solution of a Pair of Linear Equations
The sum of tw...
Question
The sum of two numbers is 50 and their difference is 16. Find the numbers. ?
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Solution
Assume the two numbers be x and y. x + y = 50 x - y = 16. If you add both these equations,y will get eliminated. x + y + x - y = 50 + 16 = 66 2x = 66 or x = 33. Therefore, y = 50 - 33 = 17. Hence the 2 numbers are 33 and 17.