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Ivenika [448]
3 years ago
13

Please help me on this problem

Mathematics
2 answers:
mr_godi [17]3 years ago
8 0
2(n+7) =3n

n = 14

<span>n = 14</span>
Lady_Fox [76]3 years ago
7 0
The correct equation is
2n + 7 = 3n

another way to write 2n+7 = 3n is 3 * 7 = 21
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2/3 or .6666 repeating

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6 0
3 years ago
A+3 1/4+5 2/9 what is the value of a, explain how you got the answer
larisa86 [58]

Answer:

a+305/36

Step-by-step explanation:

Convert

3

1

4

3

1

4

to an improper fraction.

a

+

13

4

+

5

2

9

a

+

13

4

+

5

2

9

Convert

5

2

9

5

2

9

to an improper fraction.

a

+

13

4

+

47

9

a

+

13

4

+

47

9

To write

13

4

13

4

as a fraction with a common denominator, multiply by

9

9

9

9

.

a

+

13

4

⋅

9

9

+

47

9

a

+

13

4

⋅

9

9

+

47

9

To write

47

9

47

9

as a fraction with a common denominator, multiply by

4

4

4

4

.

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

a

+

13

4

⋅

9

9

+

47

9

⋅

4

4

Write each expression with a common denominator of

36

36

, by multiplying each by an appropriate factor of

1

1

.

a

+

13

⋅

9

36

+

47

⋅

4

36

a

+

13

⋅

9

36

+

47

⋅

4

36

Combine the numerators over the common denominator.

a

+

13

⋅

9

+

47

⋅

4

36

a

+

13

⋅

9

+

47

⋅

4

36

Simplify the numerator.

a

+

305

36

a

+

305

36

3 0
3 years ago
Read 2 more answers
ASAP
Pie

Answer:

36/-4

Step-by-step explanation:

A positive number divided by a negative number will<em> always </em> be negative, and a negative number divided by a positive number will <em>always </em>be negative!

Hope this helps!

6 0
3 years ago
Read 2 more answers
Solution to 2x -9 &lt; 7
Yanka [14]

You said                          2x - 9 < 7

Add  9  to each side:       2x      < 16

Divide each side by  2 :    x       < 8 .

  
3 0
3 years ago
Read 2 more answers
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