mrbean1rowan
mrbean1rowan mrbean1rowan
  • 23-01-2017
  • Mathematics
contestada

Find the value of x in the equation 3(x + 2) = x.

get marked brainliest for the best explanation

Respuesta :

genna123
genna123 genna123
  • 23-01-2017
First number = x
Consecutive number = x+1
"squares differ by 31" means to square both numbers and subtract them:
(x+1)^2 - (x)^2 = 31
x^2+2x+1 - x^2 = 31
2x+1 = 31
2x = 30
x = 15 (first number) 
x+1 = 15+1 = 16 (consecutive number)
Answer Link

Otras preguntas

In which of the following physical states does a given substance have the highest entropy? A. solid B. gas C. liquid D. all of the above
What was the ultimate colonial objection to the Sugar Act? What was the ultimate colonial objection to the Sugar Act? representation without taxation taxation w
Why did the Supreme Court ruling in roe v. Wade represent a victory for women's rights activists
Why did Stalin want Britain ant he United States to open a second front in France?
which characteristic best distinguishes quantitative
What is the cube root of 0.008? A) 2 B) 0.2 C) 0.02 D) 0.002
A book review would be considered A. a primary source. B. a secondary source. C. a tertiary source. D. either a secondary or tertiary source, depending on co
Which area of Europe has a Mediterranean climate? Czech Republic Germany Britain Greece
What is (are) the role(s) of complement proteins in the immune response? I. They attract white blood cells to the site of infection. II. They help other cells
25/8 as a mixed number