RoyalArcana RoyalArcana

25-02-2018
Mathematics

contestada

4n-3=-2n+9 What is the value of the variable 'n'?

Respuesta :

25-02-2018

4n - 3= -2n + 9
add 3n to both sides

4n= -2n +12
add 2n to both sides

6n= 12
divide both sides by 6

n= 2

Check:
4n-3=-2n+9
4(2)-3= -2(2)+9
8-3= -4+9
5=5

Hope this helps! :)

Answer Link

Otras preguntas

Each student in Ms. Lee's class is either a junior or a senior. Ms. Lee took some students from her class on a field trip. Of the 18 juniors in her class, 5/6 w

a firm will exit a competitive market when question 24 options: a) costs force the marginal cost curve to shift to the left. b) it can earn only earn a zero lon

if the economy is in recession with high unemployment and output below potential gdp, then would cause the economy to return to its potential gdp? group of

Which set of items listed can be arranged to transform chemical energy into mechanical energy?.

find the lengths of the sides of the triangle of maximum area that can be drawn inside a circle of radius r with one vertex of the triangle at the center of the

A local boutique is having a sale on sweaters, but customers are not aware of the sale until they are already in the store. In other words, there is no advertis

Elizabeth is considering buying a $30,000 car. Which of these financing options will likely lead to the lowest monthly payment?.

Which percentage of ethyl alcohol in hand sanitizer is effective against covid-19?.

one cubic foot will hold 7.5 gallons of water. a rectangle-shaped tank is 10 feet by 8 feet by 8 feet. how many gallons of water will this tank hold?

Plant cells are able to produce their own food. This process happens in which structure?.