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December 20, 2014

December 20, 2014

Posted by **Amy~** on Tuesday, September 7, 2010 at 8:04pm.

How would I solve this?

- Algebra -
**MathMate**, Tuesday, September 7, 2010 at 10:13pmDo you know how to cross multiply and simplify the equation to a quadratic?

- Algebra -
**Reiny**, Tuesday, September 7, 2010 at 10:18pmcross-multiply

(8w+5)(5w+7) = (4w-3)(10w-7)

40w^2 + 81w + 35 = 40w^2 -58w + 21

139w = -14

w = -14/139

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