Register
What is the solution to the system of equations 2x-y=6 x+y=6 by using the elimination method
107k views
2 votes
What is the solution to the system of equations 2x-y=6 x+y=6 by using the elimination method

User ChikabuZ
by
5.0k points

1 Answer

3 votes

Add the two rows together

3x = 12

Solve for x in the above equation

x = 4

Substitute x = 4 into any of the two equations above. Let's choose the first one; 2x - y = 6

2 × 4 - y = 6

Solve for y in the above equation

y = 2

Thus,

x = 4

y = 2

User Nasgar
by
5.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.4m questions

7.0m answers

Other Questions

What is 3,897.003 in expanded form
The stem-and-leaf plot shows the number of people who used each run of the Red Line train. What is the range of the data? https://clackamasweb.owschools.com/media/g_mat08_ccss_2016/9/img_graph_stemandleaf.
If output per worker is now nearly $120,000 per year, how much will the average worker produce 5 years from now if productivity improves by (use the compounding formula below to answer the question): fv1
For the spring festival, the Math Club is selling rulers for $1 and compasses for $2.50. the club would like to sell as many items as they can to raise funds. they need to at least make $15 to break even.
Matt has a box that is 15 inches long and 5 inches wide. The volume of the box is 225 cubic inches. What is the height of the box?
Link Copied!