Find 2 numbers, if their sum is -7 and their difference is 14.
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The numbers are 7/ 2 (3.5)
And - 21/ 2 (- 10.5)
Step-by-step explanation:
Let the numbers be x and y.
Sum = -7
=> x + y = -7 . . . . . . . (i)
Difference = 14
=> x - y = 14 . . . . . . . . . (ii)
Adding eqn (i) and (ii) :-
=> 2x = 7
=> x= 7/ 2
Substituting the value if x in eqn (i) :-
7/ 2 + y = -7
=> y = -7 - 7/ 2
=> y = -21/ 2
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