paynekristen666
paynekristen666 paynekristen666
  • 25-11-2020
  • Mathematics
contestada

If 25 is added to 5 times a certain number, the result is 7 times the number minus 35. Find the number. ​

Respuesta :

Аноним Аноним
  • 25-11-2020

Step-by-step explanation:

Required Answer:-

Let the certain number =x

According to the question

[tex]{:}\longrightarrow[/tex][tex]\sf 5x+25=7x-35 [/tex]

  • Simplify

[tex]{:}\longrightarrow[/tex][tex]\sf 7x-35=5x+25 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf 7x-5x=25+35 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf 2x=60 [/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf x={\dfrac {60}{2}}[/tex]

[tex]{:}\longrightarrow[/tex][tex]\sf x=30 [/tex]

[tex]\therefore[/tex]The number is 30.

Answer Link

Otras preguntas

what is the molarity of a solution that contains 15.0g of naoh per 500.0 ml of solution ​
what is modernism really about?
I need help please.
Which constitutional principal/term refers to power being divided between the federal/national government and state government s?
Let's say you were quoting something in a book and the characters in the book are saying something. For instance the book says: "This vase is purple." said Emil
Let h(x)=x^2+1 h(h(h(3)))
A rectangle has verticesat these coordinates. (-6,3),(-6,5),(2,3) What are the coordinates of the fourth vertex of a rectangle? Enter the coordinates in the box
what percent of 56 is 8?​
PLEASE HELP! I NEED AN ANSWER SOON PLEASE!! WHOEVER ANSWERS FIRST WILLLLLL GET BRAINLIEST!!!!!!!
Which shows zero as significant digits?check all that apply.