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19 June, 08:22

Find the value of y when x equals 1

9x + 7y = - 12

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  1. 19 June, 08:29
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    9x+7y=-12

    9 (1) + 7y=-12

    9 + 7y = - 12

    -9 - 9

    7y = - 21

    7y / 7 = - 21/7

    y = - 3
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