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posted by on .

i only need help on these two:


DIRECTIONS:use linear combinations to solve the system of linear equations.. thanks :)

  • math - ,

    I suggest you study the two answers given before and proceed with solving the remainder. This way, you will have no problems to face your exams.

    One of the answers is:

  • math - ,

    Have you tried substitution?

    In the second problem,
    x = -6 - (3/2)y
    -30 -(15/2)y = 4y -30
    y = 0
    5x = -30
    x = -6

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