was wanting to know the correct solution to the problem
asked Oct 28, 2011 in Algebra 1 Answers by anonymous

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1 Answer

work from the innermost brackets outward:

(-30(-7)) - (210(-3)) =

210 - (-630) =

210 + 630 = 840
answered Oct 28, 2011 by Battleaxe Level 6 User (23,120 points)
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