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2 years ago

10

Please help I suck at math

1 answer:

Volgvan2 years ago

6 0

I think it is the last one.

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One number is bigger than other number by 3 and the sum of these two number is 43

Zepler [3.9K]

$x-first\ number\\x+3-second\ number\\x+(x+3)=x+x+3=2x+3-the\ sum\ of\ these\ numbers\\43-the\ sum\ of\ these\ numbers\\\\therefore\\\\2x+3=43\ \ \ \ |subtract\ 3\ from\ both\ sides\\2x=40\ \ \ \ \ |divide\ both\ sides\ by\ 2\\x=20-first\ number\\x+3=20+3=23-second\ number\\\\Answer:\boxed{20\ and\ 23}$

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