dik 5(x+3)-25=3(4x-1).nilai dari x-1 adalah........
Matematika
widyaRgg
Pertanyaan
dik 5(x+3)-25=3(4x-1).nilai dari x-1 adalah........
2 Jawaban
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1. Jawaban weningd
5 (x + 3) - 25 = 3 (4x - 1).
5x + 15 - 25 = 12x - 3
5x - 10 = 12x - 3
5x - 12x = - 3 + 10
-7x = 7
x = -1
x - 1 = -1 - 1 = -2 -
2. Jawaban manufaspirit
5(x+3)-25 = 3(4x-1)
5x + 15 - 25 = 12x - 3
5x - 10 = 12x - 3
5x - 12x = 10 - 3
-7x = 7
x = -1
x-1 = -1-1 = -2