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Nataly [62]
3 years ago
12

How do you write twice the sum of seven and a number

Mathematics
2 answers:
scZoUnD [109]3 years ago
5 0

Answer:

2 (7 + n)

Step-by-step explanation:

2 (7 + n)

For this equation you need to put parenthesis to show that you need to add, then multiply.

Hope this helps! :)

krek1111 [17]3 years ago
3 0

I believe to do this, you would write the eqaution 2(7+x).

The question says twice the sum (addition) of 7 and a number. The x takes the place of a number. Putting it all together we get 2(7+x).

Hope this helps! If you appreciated my answer, please brainliest me!

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3 years ago
10-5x=3(x-4)-2(x+7)-------
VashaNatasha [74]

Answer:

x=6

Step-by-step explanation:

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Distribute

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3 years ago
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7 0
3 years ago
What is 3.4 / x = 2.17/ 7.7?
adoni [48]
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If multiplied correctly, your equation should be 26.18 = 2.17x

You are trying to get the variable alone on one side.  To do this, you have to undo the multiplication of the coefficient.  The opposite of multiplication is division, so you would divide both sides by 2.17.

If done correctly, your equation should now be x=<span>12.064516129

However, this can be rounded to x= approximately 12.066

</span>
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