diff --git a/elixir/hello-world/README.md b/elixir/hello-world/README.md
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+# Hello World
+
+The classical introductory exercise. Just say "Hello, World!".
+
+["Hello, World!"](http://en.wikipedia.org/wiki/%22Hello,_world!%22_program) is
+the traditional first program for beginning programming in a new language
+or environment.
+
+The objectives are simple:
+
+- Write a function that returns the string "Hello, World!".
+- Run the test suite and make sure that it succeeds.
+- Submit your solution and check it at the website.
+
+If everything goes well, you will be ready to fetch your first real exercise.
+
+## Running tests
+
+Execute the tests with:
+
+```bash
+$ elixir hello_world_test.exs
+```
+
+### Pending tests
+
+In the test suites, all but the first test have been skipped.
+
+Once you get a test passing, you can unskip the next one by
+commenting out the relevant `@tag :pending` with a `#` symbol.
+
+For example:
+
+```elixir
+# @tag :pending
+test "shouting" do
+  assert Bob.hey("WATCH OUT!") == "Whoa, chill out!"
+end
+```
+
+Or, you can enable all the tests by commenting out the
+`ExUnit.configure` line in the test suite.
+
+```elixir
+# ExUnit.configure exclude: :pending, trace: true
+```
+
+If you're stuck on something, it may help to look at some of
+the [available resources](https://exercism.io/tracks/elixir/resources)
+out there where answers might be found.
+
+## Source
+
+This is an exercise to introduce users to using Exercism [http://en.wikipedia.org/wiki/%22Hello,_world!%22_program](http://en.wikipedia.org/wiki/%22Hello,_world!%22_program)
+
+## Submitting Incomplete Solutions
+It's possible to submit an incomplete solution so you can see how others have completed the exercise.
diff --git a/elixir/hello-world/hello_world.exs b/elixir/hello-world/hello_world.exs
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+defmodule HelloWorld do
+  @doc """
+  Simply returns "Hello, World!"
+  """
+  @spec hello :: String.t()
+  def hello do
+    "Hello, World!"
+  end
+end
diff --git a/elixir/hello-world/hello_world_test.exs b/elixir/hello-world/hello_world_test.exs
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+if !System.get_env("EXERCISM_TEST_EXAMPLES") do
+  Code.load_file("hello_world.exs", __DIR__)
+end
+
+ExUnit.start()
+ExUnit.configure(trace: true)
+
+defmodule HelloWorldTest do
+  use ExUnit.Case
+
+  test "says 'Hello, World!'" do
+    assert HelloWorld.hello() == "Hello, World!"
+  end
+end