Question

The sum of two numbers is 18 and there diffrence is 4 what are those two nubers

Answer 1

Answer:

7 and 11

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

let the assume that the first number be 'x'

and second number be 'y'

by the question

sum of two number is 18

x+y=18.......(1)

and

difference of two number is 4

x-y=4.........(2)

from eq. (1)

x+y=18

x=18-y......(3)

put the value of (3) in eq (2)

18-y-y=4

18-2y=4

-2y=4-18

-2y=-14

y=-14/-2

y=7

pt value of y in eq (3)

x=18-y

x=18-7

x=11

hence x=11 , y=7