10. Jika a=5, b=-2 maka nilai dari 4a : b =
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a = 5, b = -2
4a : b
= ( 4 × 5 ) : ( -2 )
= 20 : ( -2 )
Diketahui :
a = 5
b = -2
Ditanya :
4a : b?
Jawab :
4a : b = 4(5) : (-2)
4a : b = 20 : (-2)
4a : b = -10 ✔
Keterangan :
Materi = Substitusi Variabel