Question

One number is 7 more than another. Their sum is 13. What is the number?

Answer 1

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$\to$ Another number = 3

$\to$ One number = 10

$\large \bold{ \underline{ \underline{ \: \sf Explaination : \: \: \: }}}$

Let ,

The another number = x

So , one number = x + 7

According to the question ,

$\to$ x + x + 7 = 13

$\to$ 2x = 13 - 7

$\to$ 2x = 6

$\to$ x = 3

$\therefore$ The another number is 3 and one number is 10