sadnuts112 sadnuts112

14-11-2020
Mathematics

contestada

The solution shown for the equation is incorrect. What is the correct solution? What is the error?
-5 (4 - r) = 15
-20 - 5r =15
-5r = 35
r = -7

Respuesta :

ssevenhorcruxes ssevenhorcruxes

14-11-2020

r = 7 not -7
-5(4 - r) = 15
-5(4 - r)/-5 = 15/-5
4 - r = -3
4 - r - 4 = -3 - 4
-r = -7
-r/-1 = -7/-1
r = 7

Answer Link

Otras preguntas

joyce is helping her aunt create craft kits. her aunt has 138 pipe cleaners, and each kit will include 6 pipe cleaners. what is the total number of craft kits t

A train traveled 350km in 2.5h. what was the average speed of the train?

Article Five of the U.S. Constitution supports the principle of federalism because

What is the LCM of 18 and 45 ?

What is it called after data is collected they are often arranged in a what?

Write 0.292929 as a fraction

Name two landforms created from deposits by rivers.

Diego has 4 times as many autographed baseballs as Melanie.Diego has 24 autographed baseballs. How many autographed baseballs does Melanie have

In Sumerian society, all of the following statements about the position of craftspeople and merchants are true except a. they were more respected than slaves. c

what times 20 equals 70