eugeneeunarlie eugeneeunarlie

21-06-2017
Mathematics

contestada

solve for ;x+20/2=3x

Respuesta :

flossyraven flossyraven

21-06-2017

x in (-oo:+oo)

(x+20)/2 = 3*x // - 3*x

(x+20)/2-(3*x) = 0

(x+20)/2-3*x = 0

(x+20)/2+(-3*2*x)/2 = 0

x-3*2*x+20 = 0

20-5*x = 0

(20-5*x)/2 = 0

(20-5*x)/2 = 0 // * 2

20-5*x = 0

20-5*x = 0 // - 20

-5*x = -20 // : -5

x = -20/(-5)

x = 4 so x= 4

Answer Link

Otras preguntas

How much was known about the Hittite kingdom in ancient times?

if alpha and beta are root of the quadratic equation 4x2-3x2-4=0 Find the quadratic equation whose root are 1/3alpha and1/3beta

If 12 = z − 8, then z =

In Baron and Cohens (2010) transports study Children were asked to match the correct emotion face to the situation � Used both emotions from the DVD, and new fa

A regular octahedron has sides numbered 1, 3, 5, 7, 9, 10, 11, 12. another regular octahedron has sides numbered 2, 4, 6, 8, 9, 10, 11, 12. how many different s

Verify that the Intermediate Value Theorem applies to the indicated interval and find the value of c guaranteed by the theorem. f(x) = x^2 + 9x + 1, [0, 8], f(c

What is the difference in usage between inconclusive and non-conclusive (nonconclusive)?

what does the data in the sidebar "India at a Glance" Show? What does the sidebar add to the article

37.65 dinner 15% tip

You can set up a steady rest when the shaft has no center byA) using a lathe with a live centerB) using a lathe with a dead centerC) using a lathe with a steady