Question

x=10,y=20 x+y=40,x-d=10 what is answer of d

Answer 1

if x = 10 and y= 20 then the third eqn. is not correct .otherwise ignoring the third eqn d= 0

Answer 2

Hey !

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Kindly check your question
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U r saying x + y = 40

but value of x and y = 10 and 20 respectively
so which equal to 30


Then alson

x - d = 10

10 - 10 = d
d = 0