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Popular >

5 The sum of two numbers is 30 and their difference is 12 .Write two equations and find the numbers

Solution

5 The sum of two numbers is 30 and their difference is 12 .Write two equations and find the numbers

Solution

The numbers : 9, - 3

Solution steps

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

5 (x + y) = 30

x - y = 12

5 (x + y) = 30, x - y = 12 : x = 9, y = - 3

The numbers : 9, - 3

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