kkfaye91 kkfaye91
  • 20-08-2014
  • Mathematics
contestada

if 3t-7=5t then 6t =

Respuesta :

luana
luana luana
  • 20-08-2014
[tex]3t-7=5t\\\\3t-5t=7\\\\-2t=7\\\\To\ obtain\ 6t\ on\ left\ side\ we\ multiply\ by\ -3\ both \ sides\\\\\-2t*(-3)=-3*7\\\\Solution:\ 6t=-21[/tex]
Answer Link
Аноним Аноним
  • 20-08-2014
[tex]3t-7=5t\ \ \ \ |add\ 7\ to\ both\ sides\\\\3t=5t+7\ \ \ \ \ \ |subtract\ 5t\ from\ both\ sides\\\\-2t=7\ \ \ \ \ |divide\ both\ sides\ by\ (-2)\\\\t=-3.5\\\\6t=6\times(-3.5)=-21[/tex]
Ver imagen Аноним
Answer Link

Otras preguntas

Explain the connection between your  body and supernova
What are two advantages that locomotion gives to an organism?
What's the difference between the axis and allies powers in WWII
Is 10/9 closest to 0, 1/2 or 1? Explain Is 2/15 closest to 0, 1/2 or 1? Explain
why might the earths oceans be described as one huge ocean
How do you change 45/117 to the simplest form?????
A passenger walks toward the rear of a moving train. Describe her motion as seen from a reference point on the train. Then describe it from a reference point on
Do multiplication always make the number bigger
How do you change 45/117 to the simplest form?????
describe the physical state of matter in the asthenosphere