" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-x = 1-4
-x = -3
x = 3
<=> 4 - x + x = 1 + x
<=> 4 = 1 + x
<=> 4 - 1 = 1 + x - 1
<=> 3 = x