3 years ago

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

Mathematics

1 answer:

Tpy6a [65]3 years ago

8 0

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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