" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x = 7x-20
4x = 20
x = 5
5-9 = -4
12+8 = 7x - 3x
20 = 4x
x = 5
(a = x)
maka a - 9 =
20 - 9 = 11