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
Kay [80]
3 years ago
15

Solve for x if 7x =21 a. X=-3 b.x=14 c. =3 d. X= -14

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0
I hope this helps you



7x÷7=21÷7



x=3
You might be interested in
Help with this .........
Umnica [9.8K]

9514 1404 393

Answer:

  x = 30

Step-by-step explanation:

Supplementary angles total 180°.

  5x° +x° = 180°

  6x = 180

  x = 180/6 = 30

The value of x is 30.

6 0
3 years ago
What is the simplified form of the expression? (m^-1m^5/m^-2)^-3
Eva8 [605]
1 (((m^(-1)) (m^5)) / (m^(-2)))^(-3) =1/m^18
5 0
3 years ago
Read 2 more answers
A triangle has sides measuring 8 inches, 5 inches and 4 inches. How would you classify it?
Zina [86]

Answer:

I wouldn't classify it i would ignore it.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Resolve the factors ( xy+z)^2 (y-xz)^2​
skelet666 [1.2K]

Answer:

=x4y2z2−2x3y3z+2x3yz3+x2y4−4x2y2z2+x2z4+2xy3z−2xyz3+y2z2

Make me brainliest

5 0
3 years ago
Read 2 more answers
Last week the cost of a pair of socks was $3.25. This week they are on sale for $1.95. What is the percent change from last week
Alex_Xolod [135]

Answer:

The socks are 40% off, and it is decreased to 60%.

Step-by-step explanation:

:))

8 0
3 years ago
Other questions:
  • I know the answer is (-1,4) but I still don't understand it
    9·1 answer
  • Triangle JKL has vertices J (-7, 4), K (7.1),
    7·1 answer
  • Given f(x) and g(x) = f(x) + k, look at the graph below and determine the value of k. k = _______ Graph of f of x and g of x. f
    5·2 answers
  • PLEASE HELP ASAP!! I'LL GIVE YOU BRAINLIEST!!
    6·1 answer
  • Producing a musical costs $88,000 plus $5900 per performance. one sold out performance earns $7500 in revenue. If every performa
    6·1 answer
  • PLEASE HELP ASAP In this task, you will practice finding the area under a nonlinear function by using rectangles. You will use g
    9·1 answer
  • What is the sum of the interior angles of a polygon that has 9 sides?
    9·1 answer
  • If you use Desmos and know the answer to this question, please help me.
    7·1 answer
  • Help guysss find the slope of the line
    6·2 answers
  • Which box-and-whisker plot shows the high temperatures in Pittsburgh, Pennsylvania during the first two weeks of March: 33, 45,
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!