Starzdaze6704 Starzdaze6704

18-09-2017
Mathematics

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Find a number whose product with 9 is the same as its sum with 56

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Elendiir Elendiir

19-09-2017

Let x be that number.
9x must be the same as x+56:
[tex] 9x = x+56[/tex].
We substruct x from both sides:
[tex] 8x = 56[/tex]
and we divide by 8 in both sides of the equality:
[tex] x = 7[/tex]

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