February 20, 2017

Homework Help: math

Posted by Me on Thursday, April 8, 2010 at 1:53pm.

Hi, for the question, "the sum of two numbers is equal to a third number(x+y=z). The sum of twice the first, three times the second, and twice the third is 7(2x+3y+2x=7). The third number is 3 more than the first(3+z=x), have I set the equations right? I got different answers than my book that still satisfy all the equations.

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