" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-54 - 6 = x - 78
-54 - 6 + 78 = x
18 = x
- 54 - 6 = x - 78
- x = - 78 + 6 + 54
- x = - 78 + 60
- x = - 18
x = 18
Solución :
x = 18