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Mathematics 9 Online
OpenStudy (anonymous):

For the equation x + y = 9, find x if y = 4. So the epair x = , y = 4 is a solution.

OpenStudy (anonymous):

I guess you're trying to find x? if so, x + 4 =9 subtract 4 from both side x = 5

OpenStudy (anonymous):

thank you

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