Question

the sum of two numbers is 60 and their difference is 30 so,if the smaller number is x then the other number will be

Answer 1

SoluTion :-

$\sf {x+y=60\ ...equation\ 1}\\\\\\\sf {According\ to\ 2nd\ condition}\\\\\\\sf {x-y=30\ ...equation\ 2}\\\\\\\\\\\sf {Adding\ equation\ 1\ and\ 2}\\\\\\\sf {x+y=60}\\\\\\\sf {x-y=30}\\\\\\\sf { 2x=90}\\\\\\\sf {x=45}\\\\\\\\\\\sf {Putting\ value\ of\ x=45\ in\ equation\ 1}\\\\\\\sf {=60-45}\\\\\\\sf {=15}$

Answer 2

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