soccerjulie soccerjulie

02-11-2020
Mathematics

contestada

Three times a number minus ten is equal to the sum of twice the same number and five.
3x-10=2x+5
A. -5
B. -1
C. 3
D. 15

Respuesta :

arodri04 arodri04

02-11-2020

Answer:

D. 15

Step-by-step explanation:

3x-10=2x+5

to solve subtract 2x from both sides

(3x - 2x) - 10 = 2x + 5 - 2x

add 10 to both sides

x -10 + 10 = 5 + 10

x = 15

Answer Link

Otras preguntas

Use net to find the surface area of the regular pyramid. Thanks.

any computer and technology experts? 1. what is a file 2. what is a folder 3. what is a subfolder 4. how files are organized in folders and subfolders 5. what i

Suppose the European and Japanese economies succumb to a recession and reduce their demand for U.S. goods for several years. Using AS/AD framework, explain the

find midpoint AB if A (-5, 8) and B (7,-2)

find the radian measure of the angle 55°

Which of these is the energy-carrying particle that enables muscle contraction? ОАТР O water O oxygen O sarcolemma

Darnell ran 550 yards in 3 minutes. At this rate, how many yards can he run in 6 minutes?

Which of the following prefixes represents the smallest value? A. Centi B. Deca C. Deci D. Mega

Set up a proportion. What is h?

23. Write the correct form of the preterit or imperfect tense. Ana (conocer) a Marta en su clase de inglés.