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22 October, 12:59

Sole for the indicated variable.

ax+r=7, for x

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  1. 22 October, 13:33
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    ax+r=7

    Move ax to the other side. + positive ax changes to - negative ax

    ax-ax+r=7-ax

    r=7-ax

    Answer: r=7-ax or r=-ax+7 (same thing) but rearranged
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