johnsonnoah822 johnsonnoah822

02-11-2020
Mathematics

contestada

Solve the equation: 3(x + 5) = x + 21
A. 3
B. 6
C. -13
D. 8

Respuesta :

juleseatsjewels juleseatsjewels

02-11-2020

Answer:

A

Step-by-step explanation:

1. Plug in the numbers: 3 (3+5) = 3+21

2. Use PEMDAS (Order of Operations) to solve:

3 (8) = 24

24 = 24.

Answer Link

ib2007ib2007 ib2007ib2007

02-11-2020

Answer:

A. 3

Step-by-step explanation:

3(x+5)=x+21

3x+15=x+21

3x=x+6

2x=6

x=3

Answer Link

Otras preguntas

What role did a missionary play during the reformation?

What ends in 1258I will say that you cool in comments

what is the mathematical relationship among voltage current and resistance

Find the Area of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenths place.

who is sudha murhty.

The square ABCD is divided into eight equal parts. The shaded area is 25 cm². What is the area of the square ABCD

It didn't give a question

Briefly explain the Bosnian Crisis. Austria-Hungary took over part of a Turkish province in Bosnia. This outraged Serbians who felt that the province should hav

Determine the general solution of 3sin x=2tan x

Cyberphone, a manufacturer of cell phone accessories, ended the current year with annual sales (at cost) of $ million. During the year, the inventory of ac