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College Algebra

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Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
-7x – y = -30
4x + y = 21

  • College Algebra - ,

    Try this one using the steps in the problem I did for you as a guide.

  • College Algebra - ,

    Okay here is what I have

    -14x - y = 60
    4x + y = 14

    -28x + y = -46

    Now I am not sure what to do I am kinda lost being 2 goes into both with
    -14 and 23 can you give me some help please.

  • College Algebra - ,

    x=2 is a solution to 4x-2=3(x-4). Show your steps

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