tcuff2002 tcuff2002

26-01-2017
Mathematics

contestada

5x+y=27 y=4x using substitution method

Respuesta :

LukesTuke LukesTuke

26-01-2017

5x + y = 27
substitute: 5x + 4x = 27
combine: 9x = 27
divide (by 9): x = 3

Answer Link

Apocrophon Apocrophon

26-01-2017

Substitute 4x for y, and solve for x;
5x + (4x) = 27
9x = 27
x = 3
Substitute 3 in for x in the first equation and solve for y;
5(3) + y = 27
15 + y = 27
y = 12

Answer Link

Otras preguntas

An extreme surgical procedure, such as a gastric bypass, produces dramatic weight loss in morbidly obese people by

yo could you help me out.question. why is it important to develop and maintain a positive self image select all correct answersa. a person will be less likely t

One more: If Ashley intends to leave a 17% tip on a $47 meal, how much will her total bill be?

6 workers can build a wall in 30 days. If after 6 days 3 more workers join, find the number of days to build the same wall?

venn eliagram Sets of x n y

Which fact, left out of this account, most clearly suggests that the account in biased? Evidence shows that the number of deer in our state parks has gotten out

Find the missing length. Leave your answer as radical in simplest form

Can u please explain the force of gravity in this

which statement is true of parliamentary government

Identify the point of view of the author of the political cartoon concerning deng xiaoping’s legacy