1.   Use the substitution method to solve m - n = 7 and 3m + 2n = 6.
    A. B. (-5, 2)
    C. (-3, -10) D. (4, -3)
    Hint

  2.   Solve the system of equations by using the elimination method.


    A. (2, 3) B. (12, -2)
    C. (4, 2) D. (34, -13)
    Hint

  3.   Which is true for the following system of equations?

3x - y = 1
x + 2y = 7.
    A. y < x B. cannot be determined from information given
    C. y > x D. y = x
    Hint

  4.   Solve the system of equations.

–2x + 3y = 7
4x – 6y = 8.

    A. no solution B. y = –22, x = –31
    C. y = –22, x = 29.5 D. y = –22, x = –36.5
    Hint

  5.   Solve the system of equations

3x – 5y = 4
–2x + 4y = 3.

    A. B.
    C. D.
    Hint



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