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Verified answer
Mapel : MatematikaKelas : VII SMP
Bab : Aljabar
Pembahasan :
-8(p + 2q) - 5(p + q)
= -8p - 16q - 5p - 5q
= (-8 - 5)p + (-16 - 5)q
= -13p - 21q
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3(2m - n + 7) - 2(m - n + 12)
= 6m - 3n + 21 - 2m + 2n - 24
= (6 - 2)m + (-3 + 2)n + (21 - 24)
= 4m - n - 3