rrinconn
rrinconn
25-09-2014
Mathematics
contestada
What is the solution to 2n-5=8n+7?
Respuesta :
luana
luana
25-09-2014
[tex]2n-5=8n+7\ \ \ |Subtract\ 8n\\\\ 2n-8n-5=8n+7-8n\\\\ -5n-5=7\ \ \ \ |Add\ 5\\\\ -5n=12\ \ \ |Divide\ by\ -5\\\\ n=\frac{12}{-5}=-2\frac{2}{5}\\\\Solution\ is\ n=-2\frac{2}{5}.[/tex]
Answer Link
mariamikayla
mariamikayla
25-09-2014
[tex]2n-5=8n+7 \\\\ 2n-8n=7+5 \\\\ -6n=12 \\\\ \boxed{n=-\frac{12}{6}=-2}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
Someone help!!!!!!!!
SOLVE Janet piano teacher charged $12.50 for a 30-minute lesson if Janet has a 4 lesson per month how much will she owe her piano teacher a year
Is the following conditional true? If p<2, then p≤2.
Heterotrophs convert solar energy into chemical energy true or false
How did great britain respond to the boston massacre?
Six less than the product of 9 and a number is equal to 4
Under the system of which type of federalism is power shifted from the federal to state government
How did ecucation for african americans change during reconstruction?
Cellular respiration mainly occurs in _____. Golgi bodies mitochondria ribosomes cytoplasm
What is the figure of speech used in the expression drumming went wild