Question

4. Find the value of x in each of the following:
i. -9x = - 729



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Answer 1

Answer:

-9x=-729

------->

-9x=-729

-x=-729/9

-x=-81

x=81

------->x=81

Step-by-step explanation:

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Answer 2

Answer:

$\cancel- 9x = \cancel - 729 \\ 9x = 729 \\ x = \frac{729}{9} \\ \green{\boxed{x= 81}}$