diff --git a/README.md b/README.md
index 40d8ff9..4684709 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ _My solutions to the 2024 edition of [Advent of Code](https://adventofcode.com/2
 | **[04](https://adventofcode.com/2024/day/4)** | [solution](src/main/scala/adventofcode/solutions/Day04.scala) |
 | **[05](https://adventofcode.com/2024/day/5)** | [solution](src/main/scala/adventofcode/solutions/Day05.scala) |
 | **[06](https://adventofcode.com/2024/day/6)** | [solution](src/main/scala/adventofcode/solutions/Day06.scala) |
-| **[07](https://adventofcode.com/2024/day/7)** | [](src/main/scala/adventofcode/solutions/Day07.scala) |
+| **[07](https://adventofcode.com/2024/day/7)** | [solution](src/main/scala/adventofcode/solutions/Day07.scala) |
 | **[08](https://adventofcode.com/2024/day/8)** | [](src/main/scala/adventofcode/solutions/Day08.scala) |
 | **[09](https://adventofcode.com/2024/day/9)** | [](src/main/scala/adventofcode/solutions/Day09.scala) |
 | **[10](https://adventofcode.com/2024/day/10)** | [](src/main/scala/adventofcode/solutions/Day10.scala) |
diff --git a/input/07.txt b/input/07.txt
new file mode 100644
index 0000000..7f0c54b
--- /dev/null
+++ b/input/07.txt
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diff --git a/output/07-1.txt b/output/07-1.txt
new file mode 100644
index 0000000..0b122d3
--- /dev/null
+++ b/output/07-1.txt
@@ -0,0 +1 @@
+3598800864292
\ No newline at end of file
diff --git a/output/07-2.txt b/output/07-2.txt
new file mode 100644
index 0000000..08b5f0c
--- /dev/null
+++ b/output/07-2.txt
@@ -0,0 +1 @@
+340362529351427
\ No newline at end of file
diff --git a/src/main/scala/adventofcode/solutions/Day07.scala b/src/main/scala/adventofcode/solutions/Day07.scala
new file mode 100644
index 0000000..b87d001
--- /dev/null
+++ b/src/main/scala/adventofcode/solutions/Day07.scala
@@ -0,0 +1,24 @@
+package adventofcode.solutions
+
+import adventofcode.Definitions.*
+
+@main def Day07 = Day(7) { (input, part) =>
+
+  val equations = input.toLines.map { case s"$result: $numbers" => (result.toLong, numbers.split(" ").map(_.toLong).toSeq) }
+
+  type Operators = Seq[(Long, Long) => Long]
+
+  def valid(operators: Operators)(target: Long, numbers: Seq[Long]): Boolean = numbers match
+    case Seq(v) => v == target
+    case a +: _ if a > target => false
+    case a +: b +: rest => operators.view.map(_(a, b) +: rest).exists(valid(operators)(target, _))
+
+  def solve(operators: Operators): Long = equations.filter(valid(operators).tupled).map((r, _) => r).sum
+
+  val baseOperators: Operators = Seq(_ + _, _ * _)
+
+  part(1) = solve(baseOperators)
+
+  part(2) = solve(baseOperators :+ ((a, b) => s"$a$b".toLong))
+
+}