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
anyanavicka [17]
4 years ago
9

Solve for x 3(x + 4) = 21

Mathematics
2 answers:
Amanda [17]4 years ago
4 0

Answer:

x=3

Step-by-step explanation:

3+4=7

3x7=21

Tatiana [17]4 years ago
4 0

Answer:

x=3

Step-by-step explanation:

3(x+4) = 21

3x+12 = 21

3x+ 12 = 21

     -12 = + 12

3x = 9

3x = 9

\frac{3x}{3} = \frac{9}{3}

x = 3

You might be interested in
I need help on #12 please
Novosadov [1.4K]
So 10.38 gal at 2.289 oer gal but you want american mony so round 2.289 to two decimal places so 2.29 per gallon

2.29 times 10.38=23.7702 but you just cross out the '2' in the ten-thousanth's place because 1/50 of a cent is really small


it is not possible to pay 9/10 of a cent so they just want you to round it up to 1 cent or10/10 cent
8 0
3 years ago
Hey -
Katen [24]

Answer:

4-3=1

8+9=17

7 x 2= 14

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which statement comparing ​|−12|​ and ​|8|​ is true?Which statement comparing ​|−12|​ and ​|8|​ is true?
NARA [144]

Answer:

The second one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The mean of 5 numbers is 12. If four of the numbers are 1, 2, 3, 20, what is the last number?
liubo4ka [24]

<em>So</em><em> </em><em>the</em><em> </em><em>last</em><em> </em><em>number</em><em> </em><em>is</em><em> </em><em>3</em><em>4</em><em>.</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

7 0
3 years ago
Read 2 more answers
PLEASE HELP BIG FINALS TEST!!
GrogVix [38]

Answer:

F=25

Step-by-step explanation:

10x+15=30x-5

15=20x-5

20=20x

1=x

30(1)-5

30-5

25

5 0
3 years ago
Read 2 more answers
Other questions:
  • Simplify to create an equivalent expression:7(5+2c)+3c
    12·2 answers
  • What is the sum of the n terms of the series 4 + 12 + 36 + 108 + . . . ?
    13·1 answer
  • Which is greater 3.6 m or 36 cm?
    11·2 answers
  • What is it called when Cupid misses his target?
    11·1 answer
  • A square pyramid has sides of 8 m. Each face is an equilateral triangle. What is the lateral area of the pyramid?
    13·1 answer
  • The main triangular sail on a sailboat is 25 feet tall and 10 feet wide at the bottom. If the sides of another sail are proporti
    8·1 answer
  • (x ^ 4 + 1) / (x + 1)<br> synthetic division
    15·1 answer
  • Graph x+3y = 6.<br> Please help
    6·1 answer
  • The seventh-grade students need to raise at least $5,000 for their class trip. They were given
    6·2 answers
  • PLEASE ANSWER AND EXPLAIN I’LL MARK BRAINLIEST
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!