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01-10-2014
Mathematics

contestada

-7x-17= -9x+13
solve for x

work too please!

Respuesta :

01-10-2014

-7x - 17 = -9x + 13

Add 9x to each side: 2x - 17 = 13

Add 17 to each side: 2x = 30

Divide each side by 2 : x = 15

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