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s2008m [1.1K]
3 years ago
11

The sum of twice a number and 4 is equal to the sum of the number and 7

Mathematics
2 answers:
Naily [24]3 years ago
7 0

Answer:

2n+4=n+7

Step-by-step explanation:

n=-3

icang [17]3 years ago
7 0
The answer would be 3.

2x + 4 = x + 7

Move the terms around so you could simplify like terms.

X = 3

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Help!<br> <img src="https://tex.z-dn.net/?f=8r%2B9-4r-3r-8r" id="TexFormula1" title="8r+9-4r-3r-8r" alt="8r+9-4r-3r-8r" align="a
Harrizon [31]

\\ \sf\longmapsto 8r+9-4r-3r-8r

\\ \sf\longmapsto 8r-4r-3r-8r+9

\\ \sf\longmapsto -7r+9

\\ \sf\longmapsto 9-7r

3 0
2 years ago
Read 2 more answers
How do you solve<br> -2 over 9
dlinn [17]

Answer: -0.22222222...

Step-by-step explanation:

-2 over 9 can be written as -2/9

So that’s basically -2 divided by 9. If you’d do long division properly, you should get -0.22222222...

7 0
3 years ago
Find the area of the figure
maria [59]

Step-by-step explanation:

Area =0.5×base×height

Area= 0.5×5×3=7.5ft

5 0
2 years ago
The price of an item has risen to $ 299 today. Yesterday it was $130.
hoa [83]

Answer:

It has risen by $169

Step-by-step explanation:

299

130

----------

169

7 0
3 years ago
According to the U.S. Census Bureau (2016), a substantial pay gap still exists. The average American man, with an advanced colle
Leokris [45]

Answer:

The difference in earnings, over a 30-year career, for men vs women, is $1,200,150

Step-by-step explanation:

Per year.

The average man earns $90,761.

The average woman earns $50,756

So, per year, the difference is:

90,761 - 50,756 = 40,005

Over 30 years:

30*40,005 = 1,200,150

The difference in earnings, over a 30-year career, for men vs women, is $1,200,150

0 0
3 years ago
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