If -10x – 9y = -7 is a true equation, what would be the value of -30x – 27y?

Question

If -10x – 9y = -7 is a true equation, what would be the value of
-30x – 27y?

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Mộc Miên 4 years 2021-08-19T03:51:25+00:00 1 Answers 13 views 0

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  1. Amity
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    2021-08-19T03:53:18+00:00
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    Answer:

    -30x-27y = -21

    Step-by-step explanation:

    We know that;

    -30x-27y = 3(-10x-9y)

    Recall, -10x-9y = -7

    Thus; -30x-27y = 3(-7) = -21

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