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5 March, 03:44

Expresion 2 5+4X2+6-2X2-1 Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19 5+4X2+6-2X2-1

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  1. 5 March, 06:01
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    (5+4+6-2) * 2*2-1

    (9-4) * 2*2-1

    5*2*2--1

    10*2-1

    20-1

    19
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