Question

The sum of two numbers is 20 and their difference is 12 what is the answer

Answer 1

x+y=20

x-y=12

_______

2x=32

x=16

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Answer 2

Answer:

x=16

y=4

Step-by-step explanation:

Sum of two no. is 20.

then,

x+y = 20 eq _1

and difference of that two no. is 12

then,

x- y =12 eq_2

now by adding eq1 and eq2 , we get

2x = 32

x=16

now putting the value of x in eq 1 we get

16 +y =20

y =20-16

y=4.

hence , x=16 and y= 4