a.2x + 3 = 18
b.2x – 3 = 18
c.x + 3 = 18
d.x – 3 = 18
Jawaban B : Banyak kelereng Rian = x
Banyak kelereng Andri = x – 3
Jumlah kelereng keduanya = 18
Model matematika :
x + (x – 3) = 18
2x – 3 = 18
a.2x + 3 = 18
b.2x – 3 = 18
c.x + 3 = 18
d.x – 3 = 18
Jawaban B : Banyak kelereng Rian = x
Banyak kelereng Andri = x – 3
Jumlah kelereng keduanya = 18
Model matematika :
x + (x – 3) = 18
2x – 3 = 18
Editor: Annisa Fadilla