diff --git a/t02_simultaneouslinearequations.py b/t02_simultaneouslinearequations.py
index 968bfe1..8d23ddf 100644
--- a/t02_simultaneouslinearequations.py
+++ b/t02_simultaneouslinearequations.py
@@ -1,3 +1,7 @@
 # Find x and y with these two equations:
 # 3x + 4y = 24
 # 4x + 3y = 22
+
+# Find a and b with these two equations:
+# 4b + 76 = a
+# a - 85 = b