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Verified answer
Mapel : MatematikaKelas : VII SMP
Bab : Aljabar
Pembahasan :
2 - 10m + 15mn - (3mn + 5m)
= 2 - 10m + 15mn - 3mn + 5m
= 12mn - 5m + 2
=2-10m+15mn-3mn+5m
=2-10m+5m+15mn-3mn
=2-5m+12mn
Smoga membantu:-)