sweetasacherrie623 sweetasacherrie623
  • 03-07-2022
  • Mathematics
contestada

If the sum of a number and eight is doubled the result is five less than the number find the number

Respuesta :

Medunno13
Medunno13 Medunno13
  • 03-07-2022

Answer: -21

Step-by-step explanation:

Let the number be x.

Then, this means 2(x+8)+5=x.

  • 2x+16+5=x [distributive property]
  • 2x+21=x [combine like terms]
  • x+21=0 [subtract x from both sides]
  • x= - 21 [subtract 21 from both sides]
Answer Link

Otras preguntas

help me I'm lost on this unit. ​
determine if the two triangles are congruent. if they are, state how you know.
Which of the following motifs repeats in the story?
A load of potatoes weighs 100 pounds. The potatoes are packed into 15-pound bags. How many bags of potatoes are there? How many pounds of potatoes are left?​
Rocktypes, identical fossils l, and very similar mountain ranges are found on different Conti that are separated by a wide ocean witch of these best explain the
the three steps in memory information processing are
Display the following data in a pie chart and picktogram. The sizes sold during a month in a shop were
Which of the following is a step in problem solving?
Correct the one error PROFESSIONAL SIGN'S AND LETTERING PROFESSIONAL SIGN'S AND LETTERING
Name the process by which the ammonia and hydrogen Chlorade gass nove in the tube-