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

evaluate h(x)=2.8x^3+0.01x^2 - 1 for x=1 and x=2
In consideration of development, how would you approach diabetes teaching for an 8-year-old? When teaching a 15-year-old about diabetes, how would teaching diff
If an image has only 4 colors, how many bits are necessary to represent one pixel’s color?
Using the given points and line, determine the slope of the line. (-3, 0) and (2, 7) slope = -7/5 slope = -5/7 slope = 5/7 slope = 7/5
three types of neurons and their function
The statement “force equals mass times acceleration” is newton’s second law of motion. Why is this a law rather than a theory?
A team of engineers has decided to design a new shoe for people suffering from a painful foot condition. Each of the following tasks is necessary for the engine
why would a company particularly one in the healthcare field might choose to be so aggressive in monitoring the company activity of its employees?​
During which phase of mitosis do the nuclear membrane
Find the solution(s) to (x - 3)2 = 49. Check all that apply.