" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
substitusikan x = k
f(k) = 5(k) -2
18 = 5k -2
20 = 5k
4 = k
maka nilai k = 4..
f(k)=5(k)-2=18
=5k-2=18
=5k=18+2
=5k=20
=k=20/5
=k=4