Homework Help: Algebra

Posted by Candy on Wednesday, January 30, 2013 at 7:09pm.

X-2y=-1
2x+y=4

solve each system using elimination. Tell whether the system has one solution, many solutions, or no solution.

Algebra - PsyDAG, Thursday, January 31, 2013 at 1:23am
2x+y = 4

Multiply first equation by 2.

2x - 4y = -2

Subtract first equation from second.

5y = 6

y = 6/5 = 1.2

Answer this Question

Related Questions

Algebra 2 Helpp :( - QUESTIONS (vvv) (1) Solve the system by subsitution 2x + y...
math - Solve using the elimination method. Show your work. If the system has no ...
Algebra - Checking a few answers to some algebra problems: 1.Find the slope of ...
algebra 1 - Got a test tomorrow... Say you have a system of equations (linear), ...
algebra 1 - Solve this system using elimination. If a single solution exists, ...
algebra URGENT! - Solve the system using elimination. 2x – 2y = –8 x...
algebra - solve by the elimination method What is the solution of the system? 5x...
math - Solve the following system using elimination. If a single solution exists...
MATH214 - Solve each of the following systems, if possible. Indicate whether the...
algebra - Solve using the elimination method. Show your work. If the system has ...

For Further Reading

First Name:
School Subject:
Answer: