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makvit [3.9K]
3 years ago
15

(07.03 MC) An equation is shown below: 9(3x − 16) + 15 = 6x − 24 Part A: Write the steps you will use to solve the equation, and

explain each step. (6 points) Part B: What value of x makes the equation true? (4 points)
Mathematics
1 answer:
Alik [6]3 years ago
6 0

Answer: See steps and explanation below. The value 5 makes the equation true.

9(3x - 16) + 15 = 6x - 24                Distributive Property

27x - 144 + 15 = 6x - 24                Combine like terms

27x - 129 = 6x - 24                       Subtract 6x from both sides

21x - 129 = -24                              Add 129 to both sides

21x = 105                                      Divide both sides by 21

x = 5                                             Answer!

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4 years ago
Which expression can be used to convert 80 US dollars Australian dollars
andreev551 [17]

80 USD × (1.0343 AUD / 1 USD)

Solution:

To convert 80 US dollars into Australian dollars.

1 US dollar = 1.0343 AU dollar

1 AU dollar = 0.9668 US dollar

To find 80 US dollars into Australian dollars multiply 80 US dollars by 1.0343

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The expression is 80 USD × (1.0343 AUD / 1 USD)

Hence, the expression which is used to convert 80 US dollars to Australian dollars is 80 USD × (1.0343 AUD / 1 USD).

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NikAS [45]
The final answer should be
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hope this helps!
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Step-by-step explanation:

whts that question bruhhhhh

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