Question

Prove the following properties by using whole numbers and check if they are correct question number first X + 4 is equal to Y + 4 what is the answer

Answer 1

Answer:

x+4=y+4

x-y= 4-4

x-y= 0

Answer 2

Given :  x+ 4 = y + 4  

To Find : using whole numbers   check if they are correct or not

Solution:

x+ 4 = y + 4

=> x =  y

This property will hold true if x =  y

Let say  y = 1 , x = 1

then  x + 4 = 1 + 4 = 5

y + 4 = 1 + 4 = 5

5 = 5

But this will not hold true in all other case

y  = 1   x  = 2

then  x+ 4 = 2 + 4 = 6

y + 4 = 1 + 4 = 5

6 ≠5

x = 7  ,  y = 5

then  x+ 4 = 7 + 4 = 11

y + 4 = 5 + 4 = 9

11 ≠ 9

x+ 4 = y + 4  is not True for all whole numbers except when x =  y

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