menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
How do you do the elimination method? Example: -8+6y=2;16x-3y= -13 (click on picture to see the full thing)
asked
Nov 9, 2019
39.6k
views
5
votes
How do you do the elimination method? Example: -8+6y=2;16x-3y= -13
(click on picture to see the full thing)
Mathematics
high-school
Nirmalya Ghosh
asked
by
Nirmalya Ghosh
7.8k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
1
vote
I will attach the picture
first step is to multiply the first equation by 2
SLearner
answered
Nov 11, 2019
by
SLearner
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
1
vote
Double the first equation to get
-16x+12y=4
Add that to the second equation and get
9y=-9
y=-1
Then we solve for x. Let's plug y into the first equation.
-8x+6y=2
-8x-6=2
-8x=8
x=-1
y=-1
x=-1
Ankush Soni
answered
Nov 16, 2019
by
Ankush Soni
7.6k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org