Seudónimo Seudónimo
  • 13-01-2015
  • Mathematics
contestada

The product of 9 and a number is 12 less than three times that number.

What is the number?


Giving 20 Points....

Respuesta :

Аноним Аноним
  • 13-01-2015
9n = 3n-12
-3n= -3n   
6n= -12
 divide by 6 = -2 =n 

to check.. 9 times -2 = -18 soo.. 3 times -2= -6-12= -18 

so it is correct!! 
 
hope it helps :) 
Answer Link

Otras preguntas

Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
how do you can you solve this problem 37 + y = 87; y =
rewrite the expression without using grouping symbols. -6(8+12)
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
Can water and pebbles form a solution?
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Can water and pebbles form a solution?
do you know 3 prime numbers that equal 32
rewrite the expression without using grouping symbols. -6(8+12)