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
galina1969 [7]
2 years ago
13

How do u solve this step by step and also pls don’t answer unnecessarily

Mathematics
2 answers:
frutty [35]2 years ago
7 0

Answer:

Step-by-step explanation:

D) a) 2x = x +4

Subtract 'x' form both sides

2x - x = x - x + 4

x = 4

b) 3x = 2x + 3

Subtract '2x form both sides

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

x = 3

c) 6x = 2x + 8

Subtract '2x' from both sides

6x - 2x = 8

4x = 8

Divide both sides by 4

4x/4x =8/4

x = 2

e) 5x = 12 - x

Add 'x' to both sides

5x +x = 12 - x + x

6x = 12

Divide both sides by x

6x/6 =12/6

x = 2

E) k) 15x + 4 = 10x + 19

Subtract 10x from both sides

15x - 10x + 4 = 10x - 10x + 19

5x + 4 = 19

Subtract 4 form both sides

5x + 4 - 4 = 19 - 4

5x = 15

Divide both sides by 5

5x/5= 15/5

x = 3

kari74 [83]2 years ago
6 0
You have to have one side equal x so I’ll solve one from each section

e) x = 2

5x = 12 - x
add x to both sides
6x = 12
divide both sides by 6
x = 2

k) x = 3

15x + 4 = 10x + 19
move the 4 to the other side by subtracting on both sides
15x = 10x + 15
subtract 10x from both sides
5x = 15
divide by sides by 5
x = 3
You might be interested in
A triangle with 7,?, and form a right triangle.
Vlad1618 [11]

9514 1404 393

Answer:

  C  24

  D  25

Step-by-step explanation:

Consider the choices offered:

  5 and 7 will not form a triangle* with any of the other lengths

  7 and 12 will not form a triangle with any of the other (longer) lengths

  7 and 24 will form a triangle with the other possibilities, 25 and 29. (needs further consideration)

  7 and 25 will not form a right triangle with 29, because a right triangle cannot have 3 odd-length sides.

__

<em>Further consideration</em>

  7^2 +24^2 = 49 +576 = 625 = 25^2 . . . . checking Pythagorean theorem

The side measures 7, 24, 25 will form a right triangle.

_____

* A triangle can be formed from three segments only if the sum of the shortest two exceeds the length of the longest one.

6 0
2 years ago
I WILL GIVE BRAINLIEST I NEED HELP ASAP PLEASE!!!
Anit [1.1K]

Answer:

20 ft

Step-by-step explanation:

If you count how many unit’s there is on the picture then multiply by 2, you get 20

4 0
3 years ago
Jayne evaluated an expression that has a value of StartFraction 1 Over 729 EndFraction. Which expression could Jayne have evalua
san4es73 [151]

Answer:

-10     OVER 2-90

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Mrs. Jackson is covering her bulletin board with new paper. What formula should she use to figure out how much paper to buy?
Aliun [14]

Answer: A = L x W

Step-by-step explanation:. Mrs. Jackson should use the formula to calculate area in order to figure out how much paper to buy. The formula is Area = Length x Width. This will tell her exactly how much paper she will need to cover the bulletin board.

3 0
3 years ago
Read 2 more answers
Please help. This is a question on my final exam.
GarryVolchara [31]
The best option here is option B.
6 0
3 years ago
Other questions:
  • (05.03)
    11·1 answer
  • Write (-9.4,8.9) (-5.4,28.9) in slope intercept form
    14·1 answer
  • look at the angles for all regular polygons.as the number of sides increases did the measures of the angles increase or decrease
    14·1 answer
  • Is 2/3 greater than 3/5
    7·2 answers
  • How do you find m in a slope word problem?
    7·2 answers
  • Find the slope of this image plz due today helpp
    6·1 answer
  • Help me youll get brainlyist if right pls help
    8·2 answers
  • In ADEF, e = 9.8 inches, f = 5.6 inches and ZD=149º. Find ZF, to the nearest 10th of
    13·1 answer
  • Please no links or flies, x .
    12·1 answer
  • Out of 300 students in a class, 60 percent students study physics, 35 percent students study chemistry and 20 percent do not stu
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!