anxiety1001
anxiety1001 anxiety1001
  • 02-12-2021
  • Mathematics
contestada

If -3x - 7y = -5 is a true equation, what would be the value of -12x – 28y? ​

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-12-2021

Answer:

-20

Step-by-step explanation:

-3x - 7y = -5

Multiply each side by 4

4(-3x - 7y) = -5*4

-12x -28y = -20

Answer Link

Otras preguntas

Kirby is conducting a literature review in preparation for his study of “expectations regarding the sharing of financial and practical responsibilities among ma
A man takes a brick out of the fire when it's at 285 degree Celsius,he drops it in a bucket of water.then covers the bucket.the bucket and cover are made of an
Which are perfect squares? Check all that apply. O 72 36 8 16 0 81 O 64 048
Solve for kkk. \dfrac{k}{4} = \dfrac{3}{8} 4 k ​ = 8 3 ​
(a) Find a simplified form of the difference quotient and (b) complete the following table.f(x) = - 4x + 7​
Which word is the best synonym for stress
The sound of a tuba is very low. Why?0O When you blow into a tuba the air vibrates very strongly.) O When you blow into a tuba the air vibrates very quickly.O W
whats 12348/12 i dont know what is it!
True or False. Australia is named after the fabled large southern continent that Europeans expected to find, called Terra Australis Incognita, meaning the "Unkn
“We’re all we’ve got left. Please—don’t fight anymore” a. Who is the speaker? b. What was going on that time? c. What di these words reveal from the speaker?