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3a-15 + 2a -8
5a-23 (e)
q=a-4
Ditanya:Nilai 3p+2q
Jawab:
Caranya, ganti variabel dengan nilai yang diketahui
3p+q
=3(a-5)+2(a-4)
=3a-15+2a-8
=3a+2a-15-8
=5a-23
Selesai. Jadi,jawabannya E.5a-23
Semoga membantu ;)