(X - 3) + (7-2x)=6 Jawab:
Matematika
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Pertanyaan
(X - 3) + (7-2x)=6
Jawab:
Jawab:
2 Jawaban
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1. Jawaban kaaylaa
(x - 3) + (7-2x)=6
x - 3 + 7 - 2x = 6
x - 2x +7 = 6
-1x = 6 - 7
-x = -1
x = 1 -
2. Jawaban ErikaRkhmtka
7x-2x²-21+6x = 6
2x²-7x-6x+21-6 = 0
2x²-13x+15 = 0
(2x-3) (x-5) = 0
2x=3 atau x=5
x=3/2