" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x = 1 - 3
2x = -2
x = -2 : 2
x = -1
Comprobamos:
2x + 3 = 1
2. -1 + 3 = 1
-2 + 3 = 1
1 = 1
2x=-3+1
2x=-2
x=-1