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

How many more equal sides does an equilateral triangle have than a right isosceles triangle?

Josie is ordering pizzas for the class trip. There are 14 people in Josie's class. She wants to buy enough pizzas so that each person could have 2/6 of a pizz

What is the solution to this awnser 6x+2y=-26

A local grocery store is advertising a discount of 20% off a large bag of peaches which he normally cost $5

Joseph is forming a three-dimensional figure using a net. The figure has six congruent square faces. What types of figure did he make?

What is the difference of 21 15/16 minus 18 3/4 ?

The workers in the United States, Canada, The Netherlands, Germany, and Japan are the highest paid and most productive workers in the world. Which of the follow

What was a historical significance of the election of Andrew Young as mayor of Atlanta? A) An African Amercian was elected mayor of a major city in the Deep Sou

how did western nations come to dominate much of the world in the late 1800s?

the wright brothers Wilbur wright facts