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
sergejj [24]
3 years ago
8

2x+3+x=18 can you guys help the developer solve this

Mathematics
2 answers:
IRISSAK [1]3 years ago
5 0
X=5
2x+3+x=18
Combine like terms
3x+3=18
Balance
3x+3=18
-3 -3
3x=15
__ __
3. 3
X= 5
emmainna [20.7K]3 years ago
3 0

2x+3+x=18

2x+x= 3x

3x+3=18

18 - 3 = 15

3x = 15

x = 3

You might be interested in
Round 3.251 to the hundredths place.
aliya0001 [1]
It would be 3.25 because you can’t round 0.001 up
4 0
3 years ago
A pom-pom manufacturer makes each of its pom-poms with 35% white strands (w), 25% blue strands (b), and 40% red strands (r). If
DIA [1.3K]

Answer:

28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms

Step-by-step explanation:

Given :A pom-pom manufacturer makes each of its pom-poms with 35% white strands (w), 25% blue strands (b), and 40% red strands (r).

To Find : If each pom-pom has a total of 80 strands, how many of strands of each color are needed to make a pair of pom-poms?

Solution:

Total Strands = 80

White Strands = 35%

No. of white strands = 35\% \times 80 =\frac{35}{100} \times 80 =28

Blue Strands = 25%

No. of blue strands = 25\% \times 80 =\frac{25}{100} \times 80 =20

Red Strands = 40%

No. of Red strands = 40\% \times 80 =\frac{40}{100} \times 80 =32

Hence 28 white strands , 20 blue strands and 32 red strands are needed to make a pair of pom-poms

3 0
3 years ago
Read 2 more answers
Suppose 42 gallons of water came out of a pipe in 6 minutes. What was the rate in gallons per minute?
lyudmila [28]

Answer:

7 gallons per minute.

Step-by-step explanation:

42 / 6 = 7

5 0
3 years ago
Read 2 more answers
Solve and in standard form please. you must add. this is from khan academy
Sindrei [870]
We are asked to sum the two trinomials (-4f^3-5f+16)+(4f^2-f+9). We can start by using the distributive property to remove the parenthesis, giving us -4f^3-5f+16+4f^2-f+9. Next, when we combine like terms, we get \boxed{-4f^3+4f^2-6f+25}. Hope this helped!
8 0
3 years ago
Read 2 more answers
F(x) = –22 + 10x - 6<br> Find f(-5)
Darina [25.2K]

Answer:

Step-by-step explanation:

-31

7 0
3 years ago
Read 2 more answers
Other questions:
  • What is the following is the product of (-x - 7)(3x + 1)?​
    11·1 answer
  • Which of the following represents a linear function?
    15·1 answer
  • Divide and answer in simplest form: 6 ÷ 4/3
    7·1 answer
  • Jennifer is saving money to buy a bike. The bike costs $282. She has $128 saved, and each week she adds
    5·2 answers
  • Find the point of the intersection for the given systems y=x^2+1 and y=x+1
    10·1 answer
  • What is the solution to the equation 4x-6=10x-3?<br> x = -2<br> x=-1/2<br> x=1/2<br> x=2
    12·2 answers
  • Three manufacturers of plastic products a,b and c received an order to make 1950 plastic filters in the ratio 7:8:11.
    8·1 answer
  • I need help! Please.
    9·1 answer
  • Please answer this for me really struggling thanks
    5·1 answer
  • Please!!!!!!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!