" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
<=> -4n + 4 + 5n = 2n + 8
<=> 4 + n = 2n + 8
<=> 4 - 8 = 2n - n
<=> - 4 = n
2n = -32n + 32 + 5n
2n = -27n + 32
n = -27n + 32/2
n = -27n + 16