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svetlana [45]
3 years ago
9

Solve for N: 3n - 7 = 6n - 2n

Mathematics
1 answer:
jonny [76]3 years ago
3 0

Answer:

-7

Step-by-step explanation:

1. Combine Like Terms

3n-7=4n

2. Subtract 3n on both sides.

-7=n

3. You got your answer:)

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7 + X = 2x - 5<br> 7<br> Solve<br> 3
Anna11 [10]

Answer:

x=12

Step-by-step explanation:

7+x=2x-5

12=1x

x=12

8 0
3 years ago
Please help me solve this before 8pm today please!!!!!
Nastasia [14]

Answer: x=10

Step-by-step explanation:

7776^{x+5}=216^{3x-5}

6^{5(x+5)}=6^{3(3x-5)}

5(x+5)=3(3x-5)

5x+25=9x-15

25=4x-15

4x=40

x=10

8 0
1 year ago
Suppose a railroad rail is 3 kilometers and it expands on a hot day by 20 centimeters in length. Approximately how many meters w
siniylev [52]

Answer:

sadfasdfasdfasdf

Step-by-step explanation:

asdfasdfasdfsadfsadfsadfsdfsdfsaf

4 0
4 years ago
In DEFG, what is DF?
Greeley [361]
First you need to find the X You know that since its a parallelogram opposite sides are congruent so you would do the following equation

(The work below goes vertical)
2x+3=3x-1
-3x-3I-3x-3
---------------
-x      =-4
/-1        /-1
----------------
x= 4

So now that we know x=4 we plug it into the side
4+2=6

Then you multiply is by two since df goes across the whole shape and u get 12

Hope that helps
7 0
4 years ago
Please help! I dont know what to do!!!
tester [92]

Answer:

Addition Property of Equality; Division Property of Equality

Step-by-step explanation:

Because c is Adding and f Diving

3 0
4 years ago
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