valeeeelav valeeeelav
  • 10-01-2017
  • Mathematics
contestada

3x-4x+21=15 what is the answer to this question ? and how do I get my answer?

Respuesta :

atqiyanafisa atqiyanafisa
  • 10-01-2017
3x - 4x + 21= 15; -1x + 21 - 21= 15 - 21; -1x  ÷ -1 = -6 ÷ -1; x = 6.
The answer is x = 6.
Answer Link
Roberto5588
Roberto5588 Roberto5588
  • 10-01-2017
3x-4x+21=15
\/
-1x+21=15
-21 -21
_______
-1x=-6
__. __
-1. -1
x=6
Answer Link

Otras preguntas

what is 7/12 as a percent?
A sailboat has a mast that holds a triangular sail.The sail has a base of twelve meters and a height of nine meters. The cost of the sail is $15 per square mete
what is 7/12 as a percent?
7 qt. 2c. =______ c.
If 2x^2 + 6x = 36, what are the possible values of x ?
Frank is putting up a wallpaper in his bedroom. His bedroom measures 1 1/8 feet long and 9 3/4 feet wide. What is the perimeter of Franks bedroom?
If a rock is sitting in the dirt, the normal force from the ground and BLANK are acting on it plz help
How to answer the following questions in spanish?? Quien batea? Con que batea?
what is 3.36 rounded to the nearest hundreth
what is 7/12 as a percent?