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23 March, 22:24

2 (4-2r) = -2 (r+5) identity or no solution

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  1. 23 March, 22:41
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    16 - 2r

    Step-by-step explanation:

    2 times by 4 - 2r = - 2 times by r + 5

    6 + 4r = - 2r - 10

    Change the number to its partner.

    6 + 10 = - 2r - 4r

    16 = 2r

    So, the answer is 16 - 2r
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