" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Bab AljabarMatematika SMA Kelas X
a = 2b
a + b = 21
2b + b = 21
3b = 21
b = 21/3
b = 7
a = 2b
a = 2 x 7
a = 14
hasil kali = a x b
= 14 x 7
= 98
14×7=98