{
  "icon" : "x.squareroot",
  "id" : "9954DA71-FFF5-5337-8F68-2AE234EE7C58",
  "lines" : [
    {
      "id" : "A77AED77-4FA3-52C8-8577-377A004F10B2",
      "source" : "# Undo addition"
    },
    {
      "id" : "FDADF8D1-5800-5197-8CF3-9F7F78B27E74",
      "source" : "\/\/ x + 8 = 20. Subtract 8 from both sides."
    },
    {
      "id" : "7E157B16-30A7-55AD-A2B2-7DD16B684616",
      "source" : "x = 20 - 8"
    },
    {
      "id" : "568118D1-03B4-5893-BD93-C5D0D347AEF5",
      "source" : "x + 8 == 20"
    },
    {
      "id" : "F4A2DDDE-072B-58BD-8F32-BE3BBF4436CD",
      "source" : ""
    },
    {
      "id" : "2AE94EBA-E54C-5198-952C-02E660429314",
      "source" : "# Undo multiplication"
    },
    {
      "id" : "349ECF53-81CD-5AFC-A01A-CBFC84A6A540",
      "source" : "\/\/ 6y = 42. Divide both sides by 6."
    },
    {
      "id" : "73B72ABC-C1A7-5070-B126-7154CAC5DDF0",
      "source" : "y = 42\/6"
    },
    {
      "id" : "A71AB0C3-4610-5E27-9CF9-5F846B52CF0B",
      "source" : "6*y == 42"
    },
    {
      "id" : "29F88AEB-FE6A-533E-A3FB-920376BA73A7",
      "source" : ""
    },
    {
      "id" : "ECCEB7F2-CBC6-5790-8D35-CA60BFFFC5CA",
      "source" : "# With a negative"
    },
    {
      "id" : "6BD983E3-8055-50D9-967B-BFD3EA423D2D",
      "source" : "\/\/ z - 5 = -3. Add 5 to both sides."
    },
    {
      "id" : "5EC4C838-DD06-55C8-BE89-F7299A381A3B",
      "source" : "z = -3 + 5"
    },
    {
      "id" : "7FC83AEF-BF3D-5CDD-B7D5-9F1778E2B4A2",
      "source" : "z - 5 == -3"
    },
    {
      "id" : "26C380AF-E9C8-5F8B-A5AC-14EDEB6CB2A1",
      "source" : ""
    },
    {
      "id" : "B800C7FC-0E6A-5208-A20E-97D39EFDFEB6",
      "source" : "# Guess and check"
    },
    {
      "id" : "EDC126CD-8821-57B2-968B-5E6AFDDF358E",
      "source" : "\/\/ n\/4 = 9. Drag n: only one value makes the check true."
    },
    {
      "id" : "3676855B-73B7-56A3-84B8-F3DF6C21DF9D",
      "source" : "n = 36 in 0 … 50"
    },
    {
      "id" : "12428A37-3020-50A3-B5CA-44C587F4EBBF",
      "source" : "n\/4 == 9"
    }
  ],
  "numberStyle" : {
    "decimal" : ".",
    "grouping" : ",",
    "secondaryGroupSize" : 3
  },
  "title" : "Solving one-step equations"
}