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

Which of the following statistics contain three unbiased estimators? A.variance, standard deviation, median B.variance, mean, proportion C.mean, median, range

The free movement of capital around the world is also known as ________.

Jane is a teen mother. Which statement is most likely to be true about her state of mind? A)Jane is likely to happily accept her pregnancy as soon as she discov

Which groups of mountains aeperates the continent of Europe from the continent of Asia

What is the least common denominator of 17/50 and 4/15

What metric unit would you use to measure the length of a football field

Why were the Alien and Sedition Acts controversial? A) They were passed over President Adams' veto. B) Many thought they violated the Constitution. C) They fa

In the first law of thermodynamics,AE Q-W, what does Q stand for?

An arrest is legal when an officer believes there is _____ that a crime is or has been committed and that the suspect committed the crime, the officer deprives

In a reduction half-reaction, which amount is shown? A. The number of atoms needed to balance the equation B. The number of electrons and element gains C. The