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11 May, 03:21

What is the answer to 7/8x = - 21

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  1. 11 May, 03:40
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    7/8x = - 21

    Mutiply both sides by 8/7

    7/8 (8/7) x = - 21 (8/7)

    Cross out 7 and 7, divide by 7 and then becomes 1.

    Cross out 8 and 8, divide by 8 and 8 then becomes 1.

    1*1*x=x

    Cross out - 21 and 7, divide by 7. - 21/7=-3

    7/7 = 1

    -3*8 = - 24

    Answer: x=-24
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