Question

what to numbers add to 45 and subtract to 5

Answer 1

Answer:

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Step-by-step explanation:

The sum of two numbers is 45 ---> a+b =45 (1)

the difference is 5 -----> a-b=5 (2)

from (2), we can say: a=5+b

we substitute it in (1) so we get,

(a)+b= (5+b) +b =45

---> 5+2b=45

---> 2b= 40

---> b=40/2=20

so b= 20 and a=5+b = 5+20 =25

a=25

b=20

i hope it is clear

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Answer 2

Answer:

25, 20

Step-by-step explanation:

Let,

     one number = X

therefore,

     other one = 45-X

therefore,

     X-(45-X)=5

or, 2X-45=5

or, 2X=50

or, X=25

therefore the numbers are 25, 20