2x + 6 + 7x - 21 = 5x -5
Matematika
Minorca
Pertanyaan
2x + 6 + 7x - 21 = 5x -5
2 Jawaban
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1. Jawaban Anonyme
Bab Persamaan Linear
Matematika SMP Kelas VII
2x + 6 + 7x - 21 = 5x - 5
9x - 5x = 15 - 5
4x = 10
x = 10/4
x = 5/2
HP = { 5/2 } -
2. Jawaban Vysil
2x + 6 + 7x - 21 = 5x - 5
2x + 7x - 5x = 21 - 6 - 5
4x = 10
X = 10รท4
X = 2,5