heavrilbekayra heavrilbekayra

04-05-2016
Mathematics

contestada

Solve the system by the elimination method. Check your work. 3a + 5b - 7 = 0 a - 2b - 4 = 0

Respuesta :

meerkat18 meerkat18

11-05-2016

3a + 5b - 7 = 0
0a - 2b - 4 = 0

-2b = 4 - 0a
b = (4 - 0a)/ -2
b = -2

3a + 5b - 7 = 0
3a + 5(-2) - 7 = 0
3a - 10 - 7 = 0
3a - 17 = 0
3a = 17
a = 17/3 or 5 2/3

Answer Link

Otras preguntas

How did Diane Nash's decision contribute to success

During a hoagie sale fundraiser, a ski club sold 42 Italian hoagies and 53 roast beef hoagies. What is the ratio of Italian hoagies sold to the total number of

select all that apply. Which statements correspond to cellular respiration?

use the story i took a photo of

Which sentence has a correctly placed participial phrase? A. Extending forty feet long, the Smiths borrowed a ladder from a neighbor. B. The Smiths, e

When we opened the front door, the parrot said “Hello!” After which word should a comma be added? opened parrot said front

how many hours are there in a week? explain how yuo found your answer.

your are a news reported chosen to dive with the crew of the Alvin. write an account of what you saw of the sunken titanic and how you felt about it.

-6x-15=4x+35 find the value of x

Who were the founders of Google?