yomama11010 yomama11010

01-09-2017
Mathematics

contestada

What is x in 7x+2x-5=0

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antonio9990 antonio9990

01-09-2017

7x+2x-5=0

7x+2x=9x, so, now we have this:

9x-5=0, we, because is equal with 0, the terms are equal between them.

9x=5

x=5/9

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