" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b-bok dluzszy
2a+2b=44
a=b-4 | -b
2a+2b=44
a-b=-4 | *2
2a+2b=44
2a-2b=-8
4a=36 | :4
2a-2b=-8
a=9
18-2b=-8
a=9
-2b=-26 | :-2
a=9
b=13