jovanidoe jovanidoe
  • 10-06-2015
  • Mathematics
contestada

if 2a-7=9a, then 4a=

Respuesta :

kimeto3
kimeto3 kimeto3
  • 10-06-2015
2a-7=9a
-7=9a-2a
7a=-7
a=-1
4a=4(-1)
    =-4
Answer Link

Otras preguntas

Four married couples have bought 8 seats in a row for a show. In how many different wayscan they be seated a. If all the women sit together.​
Read the passage from the opinion of the court in DredScott v. Sandford, written by Justice Taney.The question before us is, whether the class of personsdescrib
Below is the frequency distribution of the weights (in kg) of some sample of teen-agers. Weight(in kg) f 41-45 2 46-50 5 51-55 7 56-60 4 61-65 1 66
What are the characteristics of a lion within its taxonomic hierarchy?
Briefly summarize the history of the Equal Rights Amendment (ERA) from 1923 to 2014.
Select the correct text in the passage.Which three sentences in this excerpt from F. Scott Fitzgerald's "Winter Dreams" show that Dexter's interest in Judy Jone
Read the excerpt from "Mother Tongue."Yet some of my friends tell me they understand 50 percent of what my mother says. Some say theyunderstand 80 to 90 percent
Question 18(Multiple Choice Worth 5 points)(07.03 MC)What conflict marked the beginning of the United States as a political and economic leader in th○ Cold WarO
Help!!!!!!!!!!!!!!!!!!!!1
divide 100 by 65[tex]100 \div 65 = [/tex]​