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 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

#17 please help I'm so confused.
x to the 2 power = -169 solve for X
How do you write .344 as a fraction in lowest terms
Which word in the sentence is the conjunction? The wind was strong, and the rain was quite heavy. A. strong B. and C. heavy D. quite Please Help ASAP
what is 350 over 100 in simplest form
What factors would affect the length of a day?How would the length of the day affect the temperature?
sam purchased 3 games for $140 after a 30%discount. what was the original price
what is 43.586 rounded to the nearest tenth wit a number line
what are the equivalent fractions to 20/24
15 liters increased by 60 percent