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

Which of the following is the missing side length that completes the Pythagorean triple below? 5, 12, ____ A. 17 B. 15 C. 13 D. 14

-40=m-5.5 solve and check

Why was The first cellular phone invented

Find the value of y for which line a is parallel to line b. 142° 52° 76° 38°

What is the pattern of development in which houses, town houses, condominiums, and two- to six-story apartments are built on parts of the tract and the rest, ty

The Islamic fundamentalist movement of the 1980s was based on which principle? Question 9 options: Sharia All of the above Terrorism Jihadism

How did the transportation revolution create new connections between americans and alter old ones? how did it facilitate the movement and exchange of people, pr

Was the slavery battle primarily a conflit between two

The merchandise purchases budget depends on information provided by the sales budget. a. True b. False

Which equation represents the line passing through the points (3, 2) and (–9, 6)?