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zvonat [6]
3 years ago
5

Combine like terms to simplify -1(2/7b + 9) -8

Mathematics
1 answer:
Rus_ich [418]3 years ago
8 0

Simplify 2/7b to 2b/7

-1 × (2b/7 + 9) - 8

Simplify 1 × (2b/7 + 9) to (2b/7 + 9)

-(2b/7 + 9) - 8

Simplify brackets

-2b/7 - 9 - 8

Collect like terms

-2b/7 + (-9 - 8)

Simplify

<u>-2b/7 - 17</u>

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The price of each taco is $10.5

What is unitary method?

We can solve this question by unitary method.
The unitary method is a method of finding the value of one unit and then finding the value of the required number of units. While solving a problem it is important to recognize the units and values.


In this question, 10 tacos cost $105.
Let's represent the cost of 1 taco as x
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x = \frac{105}{10}

x = 10.5
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brainly.com/question/1955459
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The constant of proportionality is 0.25.

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5,811.95\  m^2 of fabric.

Step-by-step explanation:

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