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01-10-2016
Mathematics

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5+4x2+6-2x2-1
Insert the parenthesis so that it has a value of 19 then show why your expression has a value of 19

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01-10-2016

Hi. 5+4x2+6-2x2-1 . ((5+4)*2)+(6-(2*2)-1) ; (9*2)+(6-4-1) ; 18 + 1 =19.

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