diff --git a/t02_simultaneouslinearequations.py b/t02_simultaneouslinearequations.py
index 968bfe1..ab5c22f 100644
--- a/t02_simultaneouslinearequations.py
+++ b/t02_simultaneouslinearequations.py
@@ -1,3 +1,11 @@
 # Find x and y with these two equations:
 # 3x + 4y = 24
 # 4x + 3y = 22
+4y=24-3x
+y=(-3/4)x+6
+#substituting y in the second equation yields:
+ 4x+3((-3/4)x+6)=22
+(4-9/4)x  =22-18
+7/4x=4
+x=4 *(4/7)=16/7
+y=(-3/4)(16/7)+6=-48/28+6=-12/7+42/7=30/7