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
VMariaS [17]
4 years ago
8

Solve for x: 3(x + 1) = −2(x − 1) − 4.

Mathematics
1 answer:
Vlad [161]4 years ago
6 0

Answer:

Multiply the first bracket by 3

Multiply the second bracket by -2

3x+3=-2x+2-4

3x+2x+3=-2x-2   negative (-) number and positive number (+)= negative number

Just rearranging

5x+3=-2

5x+3-3=-2-3

5x=-5

Dividing by 5

5x/5=-5/5

x=-1

Check answer by using substitution method

3(-1+1)=-2(-1-1)-4

0=-2(-2)-4 negative number and negative number = positive number

0=4-4

0=0

Answer is x=-1

You might be interested in
Answer quick please look at attachment.
Margarita [4]

Answer:

c) KJ and JH

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Mandy told Bill that she has read 16 books this year and reads 2 books each month. Bill wants to catch up to Mandy. He tracks hi
Lostsunrise [7]
We need to write equation for both mandy and bill on how many books they read depending on how many months passed.

Mandy's equation:
16 + 2x

she starts with 16 read books and she reads 2 books each month which is in total 2*x where x is number of months

Bill's equation:
4x
because from table we can see he is reading 4 new books each month.

now we need to make those 2 equations equal to eachother and solve for x because we want to see after how many months both will read the same that is why we set them equal.

16 + 2x = 4x
16 = 2x
x = 8

That means that in december he will catch her (if i counted months correctly :) )
6 0
3 years ago
A two week old puppy weighs 11 ounces. Two weeks later, it weighs 15 ounces. Right in equation to represent the weight y of the
zhenek [66]

Answer:

  y = 2x +7

Step-by-step explanation:

We are given two points on the growth curve: (weeks, ounces) = (2, 11) or (4, 15).

These can be used to write the equation of a line using the 2-point form:

  y = (y2 -y1)/(x2 -1x)(x -x1) +y1

  y = (15 -11)/(4 -2)(x -2) +11

  y = 4/2(x -2) +11

  y = 2x +7 . . . . . y = weight in ounces x weeks after birth

_____

<em>Comment on the problem</em>

There are an infinite number of equations that can be written to go through the two given points. A linear equation is only one of them.

7 0
3 years ago
Question 2 of 10
Art [367]
I’m not sure but I think it’s D maybe I looked it up
5 0
4 years ago
What’s least common multiple and least common denominator 10/12 5/6
8090 [49]

Answer:

Least common multiple would be 10/12, least common denominator would be 6.

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What is the decay factor of the exponential function represented by the table?
    6·2 answers
  • Please help to solve the equations!
    15·1 answer
  • The length of a rectangular deck is 4 times its width if the decks perimeter is 30 ft, what is the decks area
    10·1 answer
  • Express 0.68 as a percent.
    6·2 answers
  • Eight boxes of tile cover 30 square feet. How many boxes of tile are needed to cover 1,080 square feet of restaurant flooring.
    12·1 answer
  • Please add the numbers to the graph and show the work on a paper and post it please if you do not know the answer do not comment
    5·1 answer
  • Caroline drew the blueprints of her new kitchen on a coordinate plane. The coordinates of the four corners of her square kitchen
    6·2 answers
  • B) Lynn invested an amount of money at an interest rate of 5.2% per year.
    5·1 answer
  • Help mee plz... i ' m in trouble<br><br>ans 2,3&amp;4
    5·1 answer
  • HELPPP plzzzzzz im so lost i hate math -.-
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!