Register
If 2y - x = 8 , and 3x - y = 1, what is the value of x ?
120k views
5 votes
If 2y - x = 8 , and 3x - y = 1, what is the value of x ?

User Rich Benner
by
7.6k points

2 Answers

2 votes
order in ax+by=c form
-1x+2y=8 and
3x-y=1
cancle y's
multiply 2nd equation by 2
and add to first

-1x+2y=8
6x-2y=2 +
5x+0y=10

5x=10
divide both sides by 5
x=2

the value of x is 2
User TaoZang
by
7.6k points
7 votes
Hello.

The answer to your question is
x = 2
and y = 5

Have a great day!
User Tommy Penner
by
7.6k points
← Prev Question Next Question →

No related questions found

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

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!