aubrymcilvain
aubrymcilvain aubrymcilvain
  • 24-01-2017
  • Mathematics
contestada

What is the solution to the equation -4(2x+3)=2x+6-(8x+2)

A) x = –10
B) x = –8
C) x = -5/2
D) x =-4/7

Respuesta :

nailavillarreal
nailavillarreal nailavillarreal
  • 24-01-2017
The correct answer is B. x=-8
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 24-01-2017
what yo do is distribute first
a(b+c)=ab+ac
so

don't forget to distribute -1

-4(2x+3)=2x+6-1(8x+2)
-4(2x)-4(3)=2x+6-1(8x)-1(2)
-8x-12=2x+6-8x-2
-8x-12=2x-8x+6-2
-8x-12=-6x+4
add 8x to both sides
-12=2x+4
minus 4 both sides
-16=2x
divide both sides b 2
-8=x

B
Answer Link

Otras preguntas

2. What warning about foreign nations does Washington give in his farewell address? Cite specific evidence from his address to support your answer (Paragraphs 1
The area of a rectangular room is 750 square feet. The width of the room is 5 feet less than the length of the room. Which equations can be used to solve for y,
A 1355 kg roller coaster car starts rolling up a slope at a speed of 18 m/s
HELP ME!! i want the answer
perímetro de: A(-5,7) B(-10,12) C(15,:-12)​
THIS IS URGENT!!!!!!!!!!!!!!
Write the subatomic particles in the order that they were discovered. Do not include commas
factorise 12x*2 + 15xy-9x
Which sequence of events describes the path of groundwater to the ocean? OA. Infiltration → aeration → saturation → entering ocean OB. Runoff→ saturation → aera
Hi I need help SUMMARIZE your reading in 5-8 sentences. DO NOT write "It talks about..." or "The article says..." or anything of that variety