Register
What are the coordinates (x, y) at which the graphs of 2x + 3y = 12 and 2x - y = 4 intersect?
214k views
2 votes
What are the coordinates (x, y) at which the graphs of 2x + 3y = 12 and 2x - y = 4 intersect?

User Bill Kotsias
by
8.2k points

1 Answer

2 votes
2x + 3y = 12
2x - y = 4 so y = 2x - 4

substitute y = 2x - 4 into 2x + 3y = 12

2x + 3y = 12
2x + 3(2x - 4)= 12
2x + 6x - 12 = 12
8x = 24
x = 3
y = 2x - 4 = 2(3) - 4 = 2

(3,2)

answer
the coordinates (3,2)
User Andreas Florath
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.1m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
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
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.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!