math

x+y=1
2x-y=-2

  1. 👍 0
  2. 👎 0
  3. 👁 67
asked by jackie
  1. add the two lines
    3 x = -1

    1. 👍 0
    2. 👎 0
    posted by Damon

Respond to this Question

First Name

Your Response