-3y+7z=-23 -3y-21=54
Matematika
MegaJulianty27
Pertanyaan
-3y+7z=-23
-3y-21=54
-3y-21=54
1 Jawaban
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1. Jawaban jnyuli1906
-3y + 7z = -23
-3(10) + 7 (1) = -23
-3y -21 =54
-3(-25) - 21 =54