Register
Solve the system of equations. 2x - 2y = 6 3x + 2y = 9 A.x=0,y=3 B.x=3,y=0 C.x=1,y=-2 D.x=-2,y=-1
77.2k views
1 vote
Solve the system of equations.

2x - 2y = 6
3x + 2y = 9
A.x=0,y=3
B.x=3,y=0
C.x=1,y=-2
D.x=-2,y=-1

User Aruuuuu
by
8.4k points

1 Answer

2 votes
2x-2y=6
3x+2y=9
You can eliminate -2y and 2y because they add to 0.
2x=6
3x=9
Combine:
5x=15
x=3
Plug x into either of the equations to solve for y.
3(3)+2y=9
9+2y=9
2y=0
y=0
Answer is B.
User Po
by
8.9k 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

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
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
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
9/10 divided by (1/10 plus 2/5)
Please solve the following equation. x-6x=56
Link Copied!