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

Earth is a close approximation of a natural closed system. What are some ways that living in a closed system affects each of us.

Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/

A curved section of roadway is in the shape of a circular arc of 410-m radius. The curved section is horizontal, not banked. The coefficient of friction for tir

india takes the two hour train ride from minneapolis to chicago every dummer to visit her grandparents. The train traveled 44 7/16 (thats a mixed number) mile

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?

A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?

where does the shadow of the shuttle in space form?

where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.

A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?

where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.