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1. The sum of two numbers is 78 and their difference is 14. Find the smaller number.​

Sagot :

Answer:

32

Step-by-step explanation:

Let the two numbers be x and y.

x + y = 78

x = 78 - y

x - y = 14

Replace x in terms of y

78 - y - y  = 14

78 - 2y = 14

Subtract 78 to both sides

-2y = -64

y = -64/-2 = 32

Therefore the smaller number is 32

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