aasirtahmid895 aasirtahmid895
  • 26-04-2020
  • Mathematics
contestada

Three times a number, plus 6.4, is 13.9

Respuesta :

fadedfire07
fadedfire07 fadedfire07
  • 26-04-2020
The unknown number equals to 2.5

3x+6.4=13.9
Subtract 6.4 from both sides
3x=7.5
Divide 3 on both sides
X=2.5
Answer Link

Otras preguntas

what are the different types of gorilla?
which one of the following sentence contains a predicate adjective
Why do People Tell Actors to Break a Leg?
what is a normal temperature for dogs?
1. (k+7)² =2892. (2s-1)² =2253. (x-4)² =169please help me answer these :)
if a line passes through the point (1,9) and has a slope of 6 , write it as an equation
what is dry lightning?
what is a subspecies?
1/6 of a ship's crew are engineers, 1/4 are stewards and the rest are soldiers. if there are 48 crew members in all, how many sailors are on the board of the sh
13. Sound waves can't travel through A. a solid. B. a liquid. C. an elastic material. D. a vacuum.