Homework Help: College Algebra

Posted by LeAnn/Please help me on Wednesday, November 18, 2009 at 9:40pm.

Solve the system of equations. Then classify the system.
7x-7y= -42
-7y-7x=42
What is the solution of the system?
Is the system inconsistent or consistent?
Is the equations dependent or independent?

College Algebra - bobpursley, Wednesday, November 18, 2009 at 9:43pm
add the equations:
7x-7y-7y-7x=-42-42
-14y=-84
solve for y. then put that into either equation, solve for x.

the equations are independent, and consistent. You need to review those definitions.

Answer this Question

Related Questions

Algebra - Solve the system of equations by graphing. Then classify the system as...
math - Determine whether the ordered pair is a solution of the inequality (5, 12...
math - Solve the following system of linear equations by graphing. (If the ...
algebra - solve the system of equations by graphing. Then classify the system as...
Math/Algebra - Solve the following system of equations. x+7y=8 (1) x=2-7y (2) ...
College Algebra - 5x+y=7 6x+7y= -9 Solve for system of equations. What is the ...
alegebra - solve the system of equations by graphing. then classify the system ...
math-please check my answer!! - 5x-7y=-14 7y-5x=14 what is the solution of the ...
algebra - answer to Solve the system of equations by graphing then classify the ...
College Algebra - Solve the system of equations using matrices. If system has no...

For Further Reading

First Name:
School Subject:
Answer: