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PtichkaEL [24]
3 years ago
7

How many solutions does 7(x - 2) + 5 = 3 (2x - 1) + 1 have?

Mathematics
1 answer:
Talja [164]3 years ago
7 0

Answer:

one, x = 7

Step-by-step explanation:

7(x - 2) + 5 = 3 (2x - 1) + 1

reduce:

7x - 14 + 5 = 6x - 3 + 1

x = 7

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How can I simplify this expression
kodGreya [7K]
Usually, "simplify" means to remove any common factors and express the sum as a single fraction, often in multiplie-out form.

If you factor what you've got, you will write it as
\dfrac{(m+2)(m-2)}{(m+1)}+\dfrac{(m+2)}{(m+1)^2}=\dfrac{m+2}{m+1}\cdot\left((m-2)+\dfrac{1}{m+1}\right)\\\\=\dfrac{m+2}{m+1}\cdot\dfrac{(m-2)(m+1)+1}{m+1}\\\\=\dfrac{(m+2)(m^2-m-1)}{(m+1)^2}\\\\=\dfrac{m^3+m^2-3m-2}{m^2+2m+1}
8 0
3 years ago
A shipping company uses the box shown.
ICE Princess25 [194]

Answer:

300 cm^2

Step-by-step explanation:

The volume of the rectangular prism is calculated by multplying lenght to the widht to the height

20*15*10 = 300 cm^2

6 0
3 years ago
Allison is buying movie tickets for she and her friends. The price of each ticket is $8.50 and she spent a total of $42.50. Writ
pochemuha
P = price of tickets
8.50p = 42.50

you then divide 8.50 on both sides
8.50p = 42.50
——— ———
8.50 8.50
p = 5

meaning Allison bought 5 tickets in total.
7 0
3 years ago
I have no idea how to answer this
Lyrx [107]
Answer what?? There isn’t a question
8 0
3 years ago
Read 2 more answers
There are five different routes that a commuter can take from her home to the office. In how many ways can she make a round trip
Lynna [10]

Answer: 120 ways

Step-by-step explanation:

Let's label the routes a, b, c, d, and e. The goal is to come up with as many unique permutations as possible.

1 route: a=1.               one factorial (1!) =1*1=1

2 routes: ab, ba=2.      2!=1*2=2

3 routes: abc, acb, bac, bca, cab, cba=6.      3!=1*2*3=6

4 routes: 4!=1*2*3*4=24

5 routes: 5!=1*2*3*4*5=120 ways

4 0
2 years ago
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