Mathematics, 01.10.2019 15:00 mistymjoy

One number is 2 times another number plus 3. their sum is 21. find the numbers. if x represents the smaller number, which of the following equations could be used to solve the problem? 2x + 3 = 21 3x + 3 = 21 3x + 6 = 21

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One number is 2 times another number plus 3. their sum is 21. find the numbers. if x represents the...

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