" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= (2x) x 50 + (1 + 2 + 3 +...+ 50)
= 100x + 1275
100x = 4275 - 1275
100x = 3000
x =
x = 30
jadi, nilai x adalah 30