Question

The sum of two numbers is 60 and their difference is 30.

What number is it? ​

Answer 1

Step-by-step explanation:

refer to this attachment

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Answer 2

Answer:

x+y =60

x-y= 45

subract both equation

we get x =15

sub x value in equ 1

we get y = 45

so numbers are 15 , 45