haileyambrose12 haileyambrose12
  • 09-11-2020
  • Mathematics
contestada

the difference of 6 and twice a number of is negative 18

Respuesta :

mspencer27
mspencer27 mspencer27
  • 09-11-2020

Answer:

1.

Step-by-step explanation:

1. 2x-4=10

2x=14

x=7

2. 3x+3=2x-1

3x-2x=-1-3

x=-4

3. 7x+x=24

8x=24

x=3(

4. 5+x=-18

x=-18-5

x=-23

5. -14=10-6x

6x=10+14

6x=24

x=4

6. 2x-2=x+12

2x-x=12+2

x=14

7. 3x-31=2

3x=2+31

3x=33

x=11

8. 5x-14=16

5x=16+14

5x=30

x=6

9. 2x+8=4(5-x)

2x+8=20-4x

2x+4x=20-8

6x=12

x=2

10. 2x-3=3(1+x)

2x-3=3+3x

2x-3x=3+3

-x=6

Answer Link

Otras preguntas

select true or false. The expression 5x-3(2x-4) is equivalent to the expression 12-xa)trueb)false
Which is the minimum sop expression for the function f(x,y,z) = (x + y')' z + (xz)' + y ? partial credit is granted for incomplete simplifications?
Which best describes the Magna Carta?
Use the diagram to answer the question. Which of the following statements are true based on the diagram?
Dna is made up of a long series of nucleic acids. a predetermined sequence that contains the information to produce a specific protein is called a __________.
I need help and I’m like really confused lol❤️
In the Māori myth, the children try to separate their parents. Which evidence illustrates the point that the Māori understand the importance of patience and har
What type of orbital overlap is responsible for the π bond between carbon and oxygen in the molecule below? g?
2p/6-19=-9 What is p?
Use the drop-down menus to match each phrase below with the type of microscope it describes. creates a two dimensional image is used to study DNA molecul