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-Dominant- [34]
2 years ago
13

Is 9 a solution to the equation: 3x – 5 = 4 + 2x?​

Mathematics
2 answers:
katovenus [111]2 years ago
7 0

Answer:

Yes, 9 will be the answer...

Step-by-step explanation:

3x-5 =4+2x

3x-2x = 4+5 (By transposing method)

x =9

Hope this is correct

Art [367]2 years ago
3 0

Answer:

yeah it is ,

putting the value of x as 9

=> 3x – 5 = 4 + 2x

=> 3×9-5=4+2×9

=> 27-5 = 4+18

=> 22 = 22

✌️

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Katena32 [7]

Last one.

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3 0
3 years ago
10x+9=4x -9 solve <br><br> please help
Neporo4naja [7]

Answer:

x = -3

Step-by-step explanation:

To solve this, you need to isolate the variable x, this means only one side of the equation should have the variable x. To do this, you need to do the opposite operation from what's given (if it's addition, use subraction; if it's multiplication, use division; these work vise versa)

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The final answer is x = -3

7 0
3 years ago
The function for the cost of materials to make a muffin is f(x) = Three fourths x + 3, where x is the number of muffins. The fun
larisa [96]

So first let’s put g(f(x)) together by putting f(x) for every x in g(x)

We get g(f(x))=3(3/4x+3)+4 which is the selling price equation

Then you plug in 20 to find the selling price for 20 muffins.

g(f(x))=3(3/4(20)+3)+4

g(f(x))=3(60/4+3)+4

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g(f(x))=54+4

g(f(x))=58

So the selling price will be $58 for 20 muffins.

7 0
3 years ago
Hi
Alona [7]
You’re absolutely amazing and I really appreciate that you’re trying to help others! And if you need anything yourself please feel free to ask :)
5 0
3 years ago
What is<br> 12,4% expressed as a fraction?
Oliga [24]

Answer:

Well, you first want to find out what it is in decimal form, which in this case is 0.124. Then once you do that, you can convert it to an improper fraction, which would be 124/100, you then can simplify it to convert it into a mixed number, which lands you the final answer of 1 6/25 I hope this helps you! :)

8 0
2 years ago
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