magsters934 magsters934

24-01-2017
Mathematics

contestada

3x-9x+6=20-3x+4x Please answer.

Respuesta :

ParadoxThinker11 ParadoxThinker11

24-01-2017

I gotchu.
3x-9x+6=20-3x+4x
Combine like terms.
-6x+6=20+x
Bring x over to the left side.
-x -x
-7x+6=20
bring 6 to the right side.
-6 -6
-7x=14
Divide -7 on both sides to isolate x.
x= -2

CHECK
3x-9x+6=20-3x+4x
-6(-2)+6=20+(-2)
18=18
ANSWER: x= -2

Answer Link

Otras preguntas

How to determine if a fraction is repeating or terminating?

What are the education requirements when becoming a nursing student

In the word construction, how does the suffix -ion change the meaning of the root word? 1) It turns a noun into a verb 2) it turns an adjective into a verb 3) i

Biology can help you learn more about your body. a. True b. False

what level of organization describes a school of anchovie or a gaggle of geese?

hiking up a mountain you notice that the air temperature drops 10 degrees Celsius for every thousand increase in elevation write a multiplication expression to

What would have happened if the english had conquered densely populated mexico and peru, and the spanish had settled more thinly populated north america?

What coenzyme accepts two protons and two electrons when reduced?

Two examples on how today’s culture are influenced by past cultures

Josie, an accounting supervisor in monk & sons realty, instructs maria, her employee, to make certain accounting entries in the company's books that will in