19-06-2018
Mathematics

contestada

how and why does this equation -8-x=-3x equal x=4

Respuesta :

BlakeMATH BlakeMATH

19-06-2018

because -8-(4)= -12, and -3(4) = -12

Answer Link

clairebear11213 clairebear11213

19-06-2018

[tex] - 8 - x = - 3x \\ - 8 = - 3x + x \\ - 8 = - 2x \\ x = - \frac{ - 8}{ - 2} = 4[/tex]
First, we add x to both sides and simplify. Then, we divide both sides by -2

Answer Link

Otras preguntas

Identify An Equation In Point-Slope form for the line perpendicular to y=-1/2x+11 That Paases through (4,-8)

Question 18 (Essay Worth 8 points) (03.05 MC) Use complete sentences to differentiate between acids and bases on the basis of taste. Give an example of each ty

PLZ ANSWER IN THE NEXT 24 HOURS MANY POINTS!!!!!!!! You have found a new element with the atomic mass of 119. In a paragraph explain where you would put in on t

Name 3 Output for Flashlight Physics systems ?

Which is one factor that describes a Mediterranean climate? has many trees is found in inland areas has cool and rainy winters has little to no precipitation

Xg of U and 3.795 g of O combine to form 20.00 g of U308 . What is the percent composition of uranium in U308 ? a 15.18% b 42.41% C 81.03% d None of the above

To whom are rights guaranteed? Will we ever intern a group of people again out of fear

Help. 15 points !!! Which of the following would be a good topic sentence for an illustration paragraph? A. The relationship between cats and dogs is illustrat

Sam wrote exactly half of his land in his daughter's name and ⅓ of his land in his son's name. He donated the remaining 10 acres to a charity. 1. What fraction

What is the value of x in:3x + 2(x + 1) = 12?A.12B.6 C.10D.2