Jawaban:
13
Penjelasan dengan langkah-langkah:
3(2x + 5) - 4 = 8x - 7
6x + 15 - 4 = 8x - 7
6x + 11 = 8x - 7
6x - 8x = -11 - 7
-2x = -18
x = 9
2x - 5
2(9) - 5
18 - 5
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Jawaban:
13
Penjelasan dengan langkah-langkah:
3(2x + 5) - 4 = 8x - 7
6x + 15 - 4 = 8x - 7
6x + 11 = 8x - 7
6x - 8x = -11 - 7
-2x = -18
x = 9
2x - 5
2(9) - 5
18 - 5
13