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Viefleur [7K]
3 years ago
9

7 - 9x = ( x + 3 ) + 2x

Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Answer:

1/3

Step-by-step explanation:

7-9x=(x+3)+2x

7-9x=x+3+2x

7-3=x+2x+9x

4=12x

x=1/3

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Help please I will mark you as brainlyist!!!
Zielflug [23.3K]

Answer: 8

Step-by-step explanation:

8 0
3 years ago
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What is the square root of 32 over 4
castortr0y [4]

\frac{\sqrt{32}}{4}

Factor square root of 32: 2^5/2.

Factor 4: 2^2

\frac{2^\frac{5}{2}}{2^{2}}

Cancel 2 1/2= 2 1/2.

2 1/2= square root of 2.

Answer: \sqrt{2}

Hope this helps :)

4 0
3 years ago
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How do you solve 1/3x = 20 to find x
Alex
1/3x=20

1st step do the opposite of 1/3x to get it by itself. So you would do 1/3x *3/1 than you would do 3/1 *20. What you do to that side you do to the other.

2nd step 20*3=60

3rd You can check your answer by doing 1/3 *60=20

I plugged the answer in the variable to Check it
7 0
3 years ago
A man earns 12,000 per year, 10% of it was spent on transport while 5% of the salary went as tax. He spent 80% of the remainder
weqwewe [10]

Answer:

Amount left = 2040

Step-by-step explanation:

Given that:

Per year salary = 12,000

Amount spent on transport = 10%

Transport = \frac{10}{100}*12000 = 0.1 * 12000

Transport = 1200

Tax = 5%

Tax = 0.05 * 12000

Tax = 600

Total = 1200 + 600 = 1800

Amount left = 12000 - 1800 = 10200

Food = 80% of remainder

Food = 0.8 * 10200

Food = 8160

Amount left after food = 10200 - 8160 = 2040

Hence,

Amount left = 2040

3 0
3 years ago
Pls help me, Me and my mom have been doing this for like 3 hours
Elena-2011 [213]

Answer:

9: -9

10: 18

11: 40

12: -4.5

1st number:-9

2nd number: -180

3rd number: -9

Step-by-step explanation:

I did it on paper but typed it on this stuff so you can understand it

PLEASE GIVE ME BRAINLIEST AND THANK YOU FOR THIS CHALLENGE VERY EASY TO DO.

3 0
3 years ago
Read 2 more answers
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