5x+10y-15z-12-(7x-5y-5z+12)
Matematika
emanueladhvianto
Pertanyaan
5x+10y-15z-12-(7x-5y-5z+12)
1 Jawaban
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1. Jawaban annisayuniartini
5x+10y-15z-12-(7x-5y-5z+12)
=5x+10y-15z-12-7x+5y+5z-12
=5x-7x+10y+5y-15z+5z-12-12
=-2x+15y-10z-24