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Home > CCA > Chapter 8 > Lesson 8.1.5 > Problem 8-51

8-51.
  1. Solve each of the following systems of equations algebraically. Then confirm your solutions by graphing. Homework Help ✎

    1. y = 4x + 5
      y = −2x − 13

    2. 2x + y = 9
      y = −x + 4

(−3, −7)

The first equation can be rewritten as y = −2x + 9.