Question

what are the two numbers that are the sum of 13 and difference of 5

Answer 1

Answer:

Numbers are 9 & 4

Step-by-step explanation:

Let numbers are x & y

Given, x + y = 13 ...eq (1)

x - y = 5 ...eq (2)

On solving both equations,

we got, x = 9 & y = 4

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Answer 2

Answer:

let the numbers be ,  A and B

according to question,  

A + B = 13  and A - B =5

adding both we get,

(A + B) +( A -B) = 13 +5

or, A + B + A -B = 18

or A +A+B-B = 18

or, 2A = 18

or, A=18/2 =9

therefore , A =9

now, we know, A+B = 13

or, 9 + B = 13

or B = 13-9=4

or, B =4

Step-by-step explanation:

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