Homework Help: math

Posted by carly on Wednesday, January 30, 2008 at 8:19am.

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.

math - drwls, Wednesday, January 30, 2008 at 9:04am
Let x be the larger number.
Solve this equation:
x -12 + 2x = 39
math - drwls, Wednesday, January 30, 2008 at 9:07am
If you are unfamiliar with algebra, try different integers between 15 and 20, for the larger number, and see which one "works"

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