kaylatawadrous kaylatawadrous
  • 03-02-2017
  • Mathematics
contestada

Twice the difference of a number and five is equal to three times the sum of the number and seven

Respuesta :

sawahli
sawahli sawahli
  • 07-02-2017
2(n-5)=3(n+7)
2n - 10= 3n +21
-10 - 21 = 3n- 2n
n=-31
Answer Link

Otras preguntas

What’s the total for 30% and 21 part
A family drives an average speed of 60 miles per hour on a trip from Pensacola to Orlando. Part AWrite an inequality to show how many hours, h, the family must
The __________ are the parts of the body that connect different areas of the skeleton. A. organs B. muscles C. joints D. ligaments
will give brainliest if you can help me how did Sumerian's writing impact the western world
the best way to start a letter to friend and teacher in first paragraph first line​
What is the measure of z?
Why does the Renaissance take its name from a word meaning "rebirth"? What are some defining characteristics of Baroque art and architecture?
solve this system of equations 5x + 4y = 6 10x -2y = 7
A table represents the number of students who passed or failed an aptitude test at two different campuses. South Campus North Campus Passed 46 38 Failed 54 62 I
Gregory keeps school supplies in his locker. He has 24 pencils and 16 erasers. What is the ratio of erasers to pencils in his locker?