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10 May, 00:35

Identify the expression equivalent to 4 (x + x + 7) - 2x + 8 - 4 by substituting x = 1 and x = 2.

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  1. 10 May, 01:04
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    4 (x+x+7) - 2x+8-4 X=1

    4 (1+1+7) - 2 (1) + 8-4

    4 (9) + 2

    38

    4 (x+x+7) - 2x+8-4 X=2

    4 (2+2+7) - 2 (2) + 4

    4 (11) - 4+4

    44
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