Question

3x -9 12
5x - 9 23
Now, find x and then 5x]
(Hint: Let the numbers be 3x and 5x. Then
4. If 3A = 5B and 4B = 6C; Find A : C.
A A B
Hint:
CB С
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Answer 1

Answer:

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Answer 2

Answer:

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$1.3x - 9 = 12 \\ 3x = 12 + 9 \\ x = 21 \div 3 \\ x = 7$

$2.2.5x - 9 = 23 \\ 5x = 23 + 9 \\ x = 32 \div 5 \\ x = 6.4$