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posted by Cheryl on Tuesday, July 26, 2011 at 4:28pm.

( 7-(-9)4 - (35 divide 7)4

Formula is unclear. Online "^" is used to indicate an exponent, x^2 = x squared. 35/7 = 35 divided by 7 = 5 ( 7-(-9) = 7+9 = 16

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