04-12-2020
Mathematics

contestada

21 = 3 + 4n + 5n can someone solve this but with showing work please??

Respuesta :

hermionegranger59 hermionegranger59

04-12-2020

21 = 3 + 4n + 5n

=> 21 - 3 = 4n + 5n

=> 18 = 4n + 5n

=> 18 = 9n

=> 18/9 = n

=> 2 = n

Answer Link

Otras preguntas

Which equation is y = 6x2 12x – 10 rewritten in vertex form? y = 6(x 1)2 – 11 y = 6(x 1)2 – 10 y = 6(x 1)2 – 4 y = 6(x 1)2 – 16

(04.05 LC) The thesis statement expresses A. The controlling idea of an essay B. The evidence that comes from research C. The limitations of the analysis D. Th

In the sixth paragraph the word incorporate means

Using the drop-down menus, choose the best word or phrase to answer these questions. 1. what was the obama administration’s primary focus in cuba?

PLEASE HELP ME OUT TY!!!!!!

A gas occupies 500.0 mL at 30.00°C and 70.00 kPa. What will the volume be at SC?

Which describes a medical residency? Select all that apply. long-term training short-term training training that can take place in a clinical setting basic trai

a main goal of asian american activists in the 1960s was to end the internment of japanese americans. to end the war in vietnam. to close chinatowns in large ci

Explain how to use a graph of the function f(x) to find f(3).

Pleas help me I’m having bad grades in English