College Algebra

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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 -

    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.

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