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
skelet666 [1.2K]
3 years ago
8

Solve for x. 7(x + 1) = 21

Mathematics
2 answers:
kari74 [83]3 years ago
6 0
Well its pretty easy if you look at the big picture, to solve for x you can divide 21 by 7 then you can subtract 1  from the quotient and boom you got x
mr Goodwill [35]3 years ago
4 0
7x + 7=21
21-7=14
7x=14
x=2
You might be interested in
9y^2-6y+1=0<br> FIND Y PLEASE HELP STEP BY STEP
dlinn [17]

Answer:

y = 1/3

Step-by-step explanation:

<u>Step 1:  Factor</u>

9y^2 - 6y + 1 = 0

(3y - 1)(3y - 1) = 0

(3y - 1)^2 = 0

<u>Step 2:  Solve for y</u>

3y - 1 + 1 = 0 + 1

3y / 3 = 1 / 3

y = 1/3

Answer: y = 1/3

4 0
3 years ago
What is the cosine of angle a?<br> a. 8/17<br> b. 15/8<br> c. 15/17<br> d. 8/15
jolli1 [7]
Check the picture below.

6 0
3 years ago
Caroline and Ben are playing a game using this spinner.
IRINA_888 [86]
Umm i don’t know hopefully you can find someone to answer this for you
5 0
3 years ago
Read 2 more answers
The cost to have tile installed varies directly with the size of the room ta
geniusboy [140]

Answer:

32,000 or 345,600

Step-by-step explanation:

if you have 100 x 320  will make 32,000 if you times the 1080 with the 320 it will be 345,600 now add them together isss 377,600 btw np

7 0
3 years ago
Amanda bill and Hong since a total of 80 text messages during the weekend bill sent eight more messages than Amanda Hong sent tw
erastova [34]

Answer:

amanda: 18

Hong: 36

Bill: 26

Step-by-step explanation:

a+b+h=80

b=8+a

H=2A

a+8+a+2a=80

4a+8=80

a=18

6 0
2 years ago
Other questions:
  • Evaluate the function rule for the given value f(x)=3x for x=-4
    7·2 answers
  • Please help me asap i will give brainiest and all my points
    7·1 answer
  • The angles of a triangular sail measure 9
    9·1 answer
  • Is a mixed number a ration number? Explain.
    9·2 answers
  • Jonas wants to serve serve 48 people one cup of tea each. How many gallons of tea must he prepare?
    9·1 answer
  • 9⁄11 = ?⁄22 <br><br> A. 9<br> B. 18<br> C. 4<br> D. 12
    8·2 answers
  • Suppose one hundred eleven people who shopped in a special t-shirt store were asked the number of t-shirts they own costing more
    7·1 answer
  • Mai camino de un sendero de 30 millas. ¿Cuántas millas caminó? Explica o muestra tu razonamiento.​
    5·1 answer
  • There is 1 inch of water in a pool. The water level is increasing at 0.75 inches/minute. Which linear equation represents the to
    7·1 answer
  • Anyone can you help me?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!