Seudónimo Seudónimo
  • 01-02-2015
  • Mathematics
contestada

A number is doubled and then increased by seven. The result is ninety three. What is the origonal number

Respuesta :

ValyRemus
ValyRemus ValyRemus
  • 01-02-2015
[tex]\hbox {Let x - to be your number.}[/tex]

[tex]2x+7=93[/tex] ⇒ [tex]2x=93-7[/tex] ⇒ [tex]2x=86[/tex]

[tex]x= \frac{86}{2} [/tex] ⇒ [tex]\boxed {x=43}[/tex]
Answer Link
zinora2012 zinora2012
  • 01-02-2015
Subtract 7 from both sides
2 . x = 86 Divide both sides by 2
X = 43
Answer Link

Otras preguntas

Which technological application was a cheap and effective method of protecting trenches in WWI? A) air raids B) electric fences 09 barbed wire D) submarines
solve with steps plz​
Find the distance between the points of intersection of the graphs of the functions. 1) y=x^2-3x+4 and y=x+1 2) y=x^2-4 and y=2x-4
Help me please I beg
akbar embraced all religions and showed respect towards people of other faiths. what values did akbar promote
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest! Solve the inequality [tex]50w+100\geq 18000[/tex]
1. In the human body, with which organ would you associate the terms auricle' and 'ventricle'?2. The leaves of this plant are a natural source of dye. This plan
Problems faced by political parties
Question 3 of 10 Which sentence is an example of third-person narration? A. I asked the teacher to help me figure out a math problem. B. She asked the teacher t
PLEASE HELP I WILL GVE BRAINLIEST