Aya=3.ani... pers1
5+Ani=Dadang/2 ... pers2
Dadang=aya-10... pers3
substitusi pers3 ke pers2
5+Ani=( aya-10 )/2
2.( 5+Ani )= aya-10
10+2ani = aya -10
substitusi pers 1...
10+2ani = 3ani -10
3Ani-2ani= 10+10
Ani=20
jadi umur Ani adl 20 tahun.
semoga bs dipahami...
follow me ya...
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Aya=3.ani... pers1
5+Ani=Dadang/2 ... pers2
Dadang=aya-10... pers3
substitusi pers3 ke pers2
5+Ani=( aya-10 )/2
2.( 5+Ani )= aya-10
10+2ani = aya -10
substitusi pers 1...
10+2ani = 3ani -10
3Ani-2ani= 10+10
Ani=20
jadi umur Ani adl 20 tahun.
semoga bs dipahami...
follow me ya...