01-12-2016
Mathematics

contestada

solve for x 5 (x+2)=8x+20

solve for x 5 x28x20 class=

Respuesta :

xman7373 xman7373

01-12-2016

Distribute the 5 outside the parentheses into the parentheses.
5(x+2)=8x+20
5x+10=8x+20
Bring x to one side, other numbers to another
5x+10=8x+20
-8x -8x
-10 -10
-3x=10
divide by -3
x=-10/3
approximately -3.33333333

Answer Link

01-12-2016

First, Distributive Property

5 (x+2)=8x+20
5x+10=8x+20 *Move constants and variables to opposite sides*
-5x -5x
-----------------
10=3x+20
-20 -20
-------------
-10=3x
----- -----
3 3

x= -10/3

Answer Link

Otras preguntas

A rectangular shaped tank measures 42 1/2 inches in length, 18 inches in width, and 6 1/8 inches in depth. What is the total surface area of this tank

"Joey was at the scene of the crime when the police arrived, therefore Joey committed the crime," is an example of what kind of logical fallacy?

bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh helppppppppppppppppppppppppppppppp

How long would it take a car starting from rest and accelerating at 5.0 m/s2 to cover a distance of 100 m

Ohm's law is often used in conjunction with the P = IV equation. A small flashlight bulb provides a resistance of 7.0 Ω to the 400. mA current that runs through

Ashish lends Rs. 20000 in four different parts. If he gets 8% on Rs. 4000, 7.5% on Rs. 8000 and 8.5% on Rs. 2800. Find the percentage he will receive on the rem

You get dressed at 8 o’clock O Se busted a las Ocho O Vestirte a las ocho O Te vistes a las ocho O Vestirse a las ocho

A(n) ______ is a segmented circle whose segments portray the relative frequencies of the categories of some qualitative variable.

Your are driving away from Detroit . Your distance (in miles) away from Detroit x hours after 12:00 noon is given by f(t)= -4x^3+25x^2+85x+51 . In how many ho

On what issues did the progressive reformers of the late nineteenth and early twentieth century focus their attention