damaniquejames damaniquejames

23-01-2020
Mathematics

contestada

negative 3x plus 8 subtract negative 5x equals 21 subtract 8x

Respuesta :

jpyon3019 jpyon3019

23-01-2020

-3x+8-(-5x)=21-8x
-3x+8+5x=21-8x
2x+8=21-8x
10x=13
x=1.3

Answer Link

Otras preguntas

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

Proteins are made from amino acids. An amino acid has three parts that are joined to a central carbon atom. Identify the three parts that create an amino acid.

The population of a city was 572,000 in 2010. In the 2000 census the population was 607,000. What was the rate of decrease of the population from one census to

What are the excluded values? m+5/mn+3m

Danny draws a transversal, t, on two parallel lines AB and CD, as shown below: He makes the following table to prove that the alternate interior angles are equa

Factor.x2−5x+6Enter your answer in the boxes.x2−5x-6= ( ) ( )

Which of these connections was illustrated by the reign of ashurbanipal?

16 is 64% of what number

In South America, President Salvador Allende of Chile, proclaimed to be a follower of Karl Marx. Why would this concern the U.S. government?

Laugh and be merry, remember, better the world with a song, Better the world with a blow in the teeth of a wrong. Laugh, for the time is brief, a thread t