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

07-02-2017

2(n-5)=3(n+7)
2n - 10= 3n +21
-10 - 21 = 3n- 2n
n=-31

Answer Link

Otras preguntas

which sentence in this excerpt from leo tolstoy’s the death of ivan ilyich shows that ivan ilyich’s daughter, lisa, does not empathize with her father’s sufferi

what area of social services is slowly becoming a major for-profit industry

The atoms and molecules in a gas are in constant motion. Temperature is a measure of their speed as they move. How are these related?

Malloy solved the equation −5x − 16 = 8; his work is shown below. Identify the error and where it was made. −5x − 16 = 8 Step 1: −5x − 16 + 16 = 8

What number could be replaced with t? 1/3 = 2/t

What was the first mendelian trait identified in humans? a. albinism b. brachydactyly c. huntington's disease d. sickle-cell anemia

Which of the following topics would be suitable for a short research paper? an in-depth study of Mary Shelley's Frankenstein a comparison of Homer's Iliad and O

Point B is AC between A and C. If AB is doubled and BC is also doubled, predict the effect on AC.

If the government wants to jump-start the economy resulting in more consumer spending, it will raise taxes. true or false?

The best approach to resolving body shape issues is to a. change the body you have. b. love the body you have. c. eat less and lose weight. d. pump iron and