qwerty123
qwerty123 qwerty123
  • 03-03-2015
  • Mathematics
contestada

solve for (n):

10n - 8 + 4n =20?

solve for (x):

2x + 3x = 25?

Respuesta :

konrad509
konrad509 konrad509
  • 03-03-2015
[tex] 10n - 8 + 4n =20\\ 14n=28\\ n=2\\\\ 2x+3x=25\\ 5x=25\\ x=5[/tex]
Answer Link

Otras preguntas

ppplllzzz hhhheeelllllllpppppp ​
I NEED HELP W THIS QUESTION ASAP
This type of radiation is smallest and highest in energy
Momentum = mass x velocity If a car has a mass of 1000kg and it has a velocity of 5 m/s, what is it’s momentum? Show your work and units in the calculation and
Megan makes $480 a week and her boss wanted to give her a 12% raise how much money would Megan make a week after the race​
if angle theta is an acute angle such that cos theta =1/4, find sin theta/2
Help pls fast in the photo above
define dml and ddl with examples​
The triangles are similar. Show how they are similar and justify your answer. Is the dilation an enlargement or a deduction? How do you know? What is the scale
What percentage of 4000 is 20? Please show working!