kh37221
kh37221
21-09-2014
Mathematics
contestada
How do you solve 3/4n -18 = 1/4n -4
Respuesta :
mariamikayla
mariamikayla
21-09-2014
[tex]\frac{3}{4n}-18^{(4n}=\frac{1}{4n}-4^{(4n}\\\\ 3-72n=1-16n\\\\ -72n+16n=1-3\\\\ -56n=-2 \\\\ \boxed{n=\frac{-2}{-56}=\frac{1}{28}}[/tex]
Answer Link
Аноним
Аноним
21-09-2014
1) Multiply both sides by 4: 3n - 72 = n - 16
2) Subtract n from both sides: 2n - 72 = -16
3) Add 72 to both sides: 2n = 56
n = 28.
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
How do amoebas obtain food?
Why is the kingdom Protista considered a catch all kingdom?
Draw 2 lines in a triangle. Make 2 triangles and 2 trapezoids.
if 9^x-9^x-1=24, then find the value of (6x)^x
Why are the irish famous for drinking?
solve using the substitution and elimination method 3a-12b=9 4a-5b=3 can someone please help?
container is 5 meters wide ,6meters long and 3 meters in depth what is the capacity in quarts
The scale of a square map indicates that each inch on the map corresponds to 5 miles. Write an expression that describes the area of land shown on the map. If t
The scale of a square map indicates that each inch on the map corresponds to 5 miles. Write an expression that describes the area of land shown on the map. If t
Write the answer to each problem in terms of the variable.1)chandler is y years old. What expression represent his age 4 yr ago? 11 yr from now?2)claire has y d
