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Morgarella [4.7K]
3 years ago
10

How do you solve this step by step?

Mathematics
2 answers:
nikklg [1K]3 years ago
7 0

Answer:

-2/9

Step-by-step explanation:

first you are going to distrubute 2/5, so 2/5 times x is 2/5x and 2/5 times -2 is -4/5

next you set up the problem with those two answers which gives you:

2/5x - 4/5 = 4x

then multiply both sides of the equation by 5: 2x-4=20x

next move the constant to the right side and chnage the sign: 2x=20x+4

then combine like terms: -18x=4

after that divide both sides of the equation by -18: -2/9

so x= -2/9

igor_vitrenko [27]3 years ago
5 0

Answer:

x = -2/9

Step-by-step explanation:

2/5 (x - 2) = 4x

2/5x - 4/5 = 4x

2/5x - 4x = 4/5

2/5x - 20/5x = 4/5

- 18/5x = 4/5

- x = 4/5 / 18/5

- x = 4/5 * 5/18

- x = 4/18

x = - 4/18

x = - 2/9

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By solving the equation:

4b + 6 = -2

4b = -2 - 6 (taking 6 from each side)

4b = -8

b = -2 (divide both sides by 4)

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3 years ago
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X is an integer and 0< x ≤ 2 what does M =
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A rectangular rug has a perimeter of 20 feet. The length of the rug is 6 feet. What is the width of the rug in inches?
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Answer:

48 in

Step-by-step explanation:

The length of the rug is 6 feet. We know this must account for 2 sides of the rug, so let's multiply 6 by 2.

6 × 2 = 12

Now subtract 12 from 20.

20 - 12 = 8

Now divide 8 by 2 to find the measurement of the remaining two sides.

8 ÷ 2 = 4.

The width of the rug is 4 feet. The question wants to find the width in inches, however. So multiply 4 by 12 because there are 12 inches in each foot.

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7 0
3 years ago
A water park sold 14 child tickets and 6 adult tickets. What percentage of
steposvetlana [31]
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A block of concrete is 1m long, 50cm wild and 4cm thick. 1.calculate the volume of the block in cm3 .2.if 1cm has a mass of 2.7g
Nonamiya [84]

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Answer:

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Step-by-step explanation:

1 m is 100 cm, so the volume is ...

  V = LWH

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The mass of the block is 54 kg.

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3 years ago
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