" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
–jumlah a+b=79
–selisih a & b =29
ditanyakan:nilai kedua bilangan
dijawab:
a–b=29 -> a=29+b
disubstitusikan
a–b=29
(29+b)+b=79
29+b+b=79
79–29=2b
50=2b
50/2=b
b=25
lalu di substitusikan lagi
a+b=79
a+25=79
a=54
jadi nilai a=54 dan nilai b=25