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6-51.
  1. Solve the systems of equations below using the method of your choice. Check your solutions, if possible. Homework Help ✎

    1. y = 7 − 2x
      2x + y = 10

    2. 3y − 1 = x
      4x − 2y = 16

Substitute 7 − 2x for y.

2x + (7 − 2x) = 10

Combine like terms.

7 = 10

There is no solution.

Substitute 3y − 1 in for x.

Follow the steps in part (a).