davielisangulo68 davielisangulo68
  • 08-03-2021
  • Mathematics
contestada

I need help this is for tonight!!!

I need help this is for tonight class=

Respuesta :

4546b
4546b 4546b
  • 08-03-2021

Answer:

54

Step-by-step explanation:

first find x:

21x-9=14x+12

21x=14x+21

7x=21

x=3

now substitute

21(3)-9

63-9=54

Answer Link
ximenaj1120 ximenaj1120
  • 08-03-2021
54 should be correct due to the problem given
Answer Link

Otras preguntas

Write the following expression in standard notation. 7.003 × 104 7,003 73,000 70,030 70,030,000
Removal of small pieces of disintegrated rock is called? a) mechanical weathering b) chemical weathering c) erosion d) transportation
How does a zygote become a embryo
simplify 4a+2b-10a+3b
Which of these is an example of open-source software?
The intensity of a physical activity is defined as
I wish you well, explorer, but I wonder: Does the same fate that befell me await you? Which statement best introduces this information in an essay? A. the narra
Which biome is characterized by plants that drop their leaves in the winter A) deciduous forest B) taiga C) tropical rainforest D) desert
African american attorney who fought segregation
in the career matching phase of career planning you choose a single career by eliminating from your list occupations that A.) do not pay as much as you need to