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OLga [1]
3 years ago
6

Please explain how to simplify the equation 3-(x+7)/(2)=9

Mathematics
2 answers:
emmainna [20.7K]3 years ago
4 0
3×-7= -21
3×-x=-3x

-21-3x. =9
_____
2
kobusy [5.1K]3 years ago
3 0
3-(x+7)/2=9

-x+7/2 + 3= 9

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

x= -19

hope this helps!
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If the average (arithmetic mean) of 10,20,30,40, and x is 60, what is the value of x​
Lilit [14]

60 =  (10 + 20 + 30 + 40 + x)/5

300 = 100 + x

x = 200

Answer: 200

8 0
2 years ago
(-3)+(-5)+9 i will give brainllest
Mila [183]
(-3) + (-5) + 9

(-3) + (-5) = -8

-8 + 9

= 1
6 0
2 years ago
Read 2 more answers
Recommendations
antoniya [11.8K]

There is 3.7 grams of sugar in each ounce of sugar Buzz.

Two variables are said to be proportional or have a proportional relationship when they have equivalent ratios. That is they increase or decrease by a factor.

Let x represent the size of Sugar Buzz soft drink and let y represent the amount of sugar.

y is proportional to x, hence:

y = kx; k is the constant of proportionality.\

When x = 12 ounce, y = 44.4 grams, hence:

12k=44.4

k = 3.7 gram per ounce  

Therefore there is 3.7 grams of sugar in each ounce of sugar Buzz.

Find out more at: brainly.com/question/25049845

6 0
2 years ago
Luna mixes 3/4 cup of orange juice with 3/8 cup of cranberry juice. She gives 5/8 cup of juice to mags. How much is left in luna
Anuta_ua [19.1K]

Answer:

\frac{1}{2}  \: cup \: of \: juice

Step-by-step explanation:

See the attached picture for explanation.

5 0
3 years ago
How do u do this problem
atroni [7]
Alexis and 3 friends buy:
-Pretzel $4.
-Sauce $1
-Drink $2

First we would multiply all the food prices by 4, since there is 4 people in total.
4 x 4 = $16
1 x 4 = $4
2 x 4 = $8

Now we're adding all the prices together. 
16 + 4 + 8 = $28

At this point, we're going to make the expression, using all the steps that we did.
( 4 x 4 ) + ( 1 x 4 ) + ( 2 x 4 )

We used parenthesis to show that those expressions need to be done first before anything else.

This is how we make an expression and we find the total answer.

The expression would be: ( 4 x 4 ) + ( 1 x 4 ) + ( 2 x 4 )
The total cost would be: $28

Hope this helps!~
5 0
3 years ago
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