Question

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Answer 1

Answer:

3) 105/33 = -315/-99

Step -by-step explanation:

Both are divisible by 3

-99 ÷ -3 = 33

105 × -3 = -315

Answer 2

Answer:

1.

$\frac{2}{7} = \frac{8}{?} = \frac{?}{ - 63} \\ \frac{2 \times 4}{7 \times 4} = \frac{8 \times - 2.25}{28 \times - 2.25} = \frac{ - 18}{ - 63}$

2.

$\frac{36}{?} = \frac{ - 4}{9} = \frac{ - 84}{?} \\ \frac{36 \div 9}{ - 81 \div 9 } = \frac{ - 4 \times 21}{9 \times 21} = \frac{ - 84}{189}$

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