1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BlackZzzverrR [31]
3 years ago
6

Do 3 questions for 12 points.

Mathematics
1 answer:
tresset_1 [31]3 years ago
6 0

Answer:

  3.  -2

  4.  12

  5.  -4

Step-by-step explanation:

For all problems, let n represent "a number." You will note that when we specify an operation to be done on the equation, it is done to <em>both sides of the equation</em>.

__

3. 5n +(-3) = -13

  5n = -10 . . . . . . add 3

  n = -2 . . . . . . . . divide by 5

The number is -2.

__

4. (n/2) -7 = -1

  n/2 = 6 . . . . . . . add 7

  n = 12 . . . . . . . . multiply by 2

The number is 12.

__

5. 2n -1 = -9

  2n = -8 . . . . . add 1

  n = -4 . . . . . . divide by 2

The number is -4.

You might be interested in
What were the reasons for issuing the declaration of neutrality?
bija089 [108]
<span>they didnt want to enter the war. On April 22,1793, the declaration of neutrality was issued to state that the United States would not take any side on the conflict int the French Revolution. the u.s. was receiving pressure from France to uphold the 1788 treaty. The Proclamation of Neutrality was a formal announcement issued by U.S. President George Washington on April 22, 1793 that declared the nation neutral in the conflict between France and Great Britain. It threatened legal proceedings against any American providing assistance to any country at war.</span>
7 0
4 years ago
A) E(n)=5n+42 b)E(n)=7n+30 c)E (n)=5n
Allisa [31]
The correct answer is A. Hope this helps.
8 0
3 years ago
Read 2 more answers
I don't understand this someone help me :)
Lera25 [3.4K]
Go on line and go one answer my math problems and it will tell you
3 0
4 years ago
What is the following quotient?<br> 9+ V2<br> 4-7
Vilka [71]
U clicked the answer already
6 0
3 years ago
What expression is equivalent to −24x+72?
s2008m [1.1K]

Step-by-step explanation:

the answer is 4. you factor the equation since 24.

7 0
3 years ago
Other questions:
  • 345 millimeters into meters
    15·2 answers
  • 1. A physics contest has 30 multiple-choice
    6·1 answer
  • Is -77 a rational number or irrational number
    8·2 answers
  • 2+4x8+(5 - 1)²÷(6 + 2)
    15·2 answers
  • For a continuous probablity distribution, 0 ≤ x ≤ 15. What is P(x &gt; 15)
    10·1 answer
  • Scott wants to ride his all terrain vehicle on a trail that is 30 miles long. If Scott rides at a constant rate of 15 mph, how l
    9·2 answers
  • Selena paid $15.00 for 6 gallons of gasoline what was the price per gallon
    6·1 answer
  • I don’t really know the answer I should be easy
    7·2 answers
  • a windowpane is 5.7 Inches by 7.1 inches. what is the distance between opposite corners of the windowpane? if necessary, round t
    9·1 answer
  • I can’t seem to get the answer right. What is log 10000?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!