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laila [671]
2 years ago
14

Solve the equation. 3x−4/5=−1/2 What is the value of x?

Mathematics
2 answers:
ioda2 years ago
6 0

Answer:

3x -4/5= -1/2

3x= -1/2+4/5

finding the LCM

3x=-5+8/10

3x=3/10

x=3/10/3/1

x=3/10*1/3

x=3/30

x=1/10

Leni [432]2 years ago
3 0
X = 1/10

3x - 4/5 = -1/2

You have to multiply through by 10 to clear the fractions

So|

30x - 8 = -5 (You add 8 to both sides)

30x = 3 (You divide both sides by 30)

Then it will give you what is equal to x

X = 3/30 = 1/10

((Hope this helps youu!! Have a good night:day/Afternoon/evening)
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3 years ago
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Answer:

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Step-by-step explanation:

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Rectangular pan:  Volume = Length x Width x Height

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4 0
1 year ago
A man sells a type of nut for $7 per pound and a different one for $4.20 per pound, how much of each type should be used to make
qwelly [4]

Answer:

a type nut is 10 pounds

a different one is 14 pounds

Step-by-step explanation:

let a type of the nut be represented by t

Let a different one be represented by d

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a different one cost $4.20 per pound

The cost of the mixture for 24 pounds = 5.37 * 24

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t + d = 24 ........(1)

7t + 4.2d = 128.88 ..........(2)

From equation (1), t = 24 - d

Put t = 24 - d in equation 2

7(24 - d) + 4.2d = 128.88

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168 - 2.8d = 128.88

-2.8d = 128.88 - 168

-2.8d = -39.12

d = -39.12 / -2.8

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t = 24 - 14

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