lena4042 lena4042
  • 02-11-2019
  • Mathematics
contestada

twice the difference of a number and 9 is 7​

Respuesta :

Jessicaalvarez2006 Jessicaalvarez2006
  • 02-11-2019
(x-9)^2=7
“twice the difference of a number” would mean x-9 twice equals 7
Answer Link
ujalakhan18
ujalakhan18 ujalakhan18
  • 02-11-2019

Answer:

x=12.5

Step-by-step explanation:

Let the number be x

2(x-9)=7

2x-18=7

2x=7+18

2x=25

x=25/2

x=12.5

Answer Link

Otras preguntas

how do you mark brainliest for an answer ​
how many years did david serve as a king bible btw
Which of the following correctly completes this graphic organizer?
Different Kinds of MetabolismBMR (Basal Metabolic Rate)- what is it RMR (Resting Metabolic Rate) = what is it EMR (Exercise Metabolic rate) = what is it give ba
Rocket League: How do i get the Common Standard Blue boost Because i dont have it for Some Reason​
What is the difference between energy levels, sub levels, and orbitals?
guys please do awser this for me :( Question 7 (40 points) Janice is purchasing school supplies for her son. She needs to purchase 2 dozen of colored pencils, 2
did Jonathan Dayton support or reject the french revolution?
what is 696 39/100 into a decimal
Using a combination of simple and compound sentences to create variety in your writing, describe three elements from the selection that make it an adventure sto