sofiaruizcastro08 sofiaruizcastro08
  • 01-10-2021
  • Mathematics
contestada

Thirty decreased by three times a number is six less than
three times the number. What is the number?

Respuesta :

crissz67
crissz67 crissz67
  • 01-10-2021

Answer:

12

Step-by-step explanation:

let the number be a

30-3a= -6

collect the like terms

30+6=3a

3a=36

a=12

The number is 12

Answer Link

Otras preguntas

where did japan first expand its empire after 1930
All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.
graph y=3sinx and y=sin 3x on the same axes. label the graph of each function.
A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?
If the length of each side of a square prism is ten feet. Find the total surface area of this object
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?
Convert the general form of the circle given into standard form. 2x^2 + 2y^2 - 20x - 8y + 50 = 0
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?
State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N,  a * a = a ,  for all a * N.(ii) If * is a
What number is equivalent to 13/2