5AB+234 = AB5->;
5AB
234
-
AB5->;
b+4 = 5-& gt; b = 1->;
5A 1
a 15->;
A+3= 1? A+3=( ) 1? -& gt; a+3 =() 1->;
8+3 = 1 1->; a = 8->;
58 1
8 15->; 58 1+234 = 8 15->;
8 15-58 1=234