medswilson medswilson

21-05-2015
Mathematics

contestada

solve each system by elimination> 9x-3y=3: 3x+8y=-17

Respuesta :

hunaifirst hunaifirst

21-05-2015

9x-3y=3. |x3| 27x-9y=9
3x+8y=-17. |x9|27x+72y=-153
--------------------------------- -

-81y=162
y=-2

9x-3y=3
9x-3(-2)=3
9x+6=3
9x=3-6
x=-3/9
x=-⅓

x=-⅓
y=-2

Answer Link

Otras preguntas

What is the solution to the system of equations

What impact did Jefferson’s Louisiana Purchase have on the nation?

Características texto no literario

What was the goal of Asian American activists who participated in the strike at San Francisco State College? to overthrow Earl Warren to establish ethnic studie

What is the inverse of the statement below? x →y A. -X B. y = x C. y = x O D. -x=y Help plz

Match the character traits to the characters from Shakespeare's Romeo and Juliet.

Will Mark Brainlest help step by step. (The ratio of two men present age is 3:4 and this will be 7:9 after 4 years what are their present age)

what is the best definition of the term imargery?

Which of the following is part of the process of persuasive writing? A. summarize the argument and offer a solution B. create man v. man conflict C. identify po

The use of Quick Styles is a great way to save a. money b. grades C. time d. files Please select the best answer from the choices provided Ο Α B