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2(x + 3) = 5(x - 2) - 2
2x + 6 = 5x - 10 - 2
2x - 5x = -10 - 2 - 6
- 3x = - 18
x = -18/-3
x = 6
jawaban soal B
12x - (7x-4) = 6(x + 3) -8x
12x - 7x + 4 = 6x + 18 - 8x
12x -6x +8x = 18 - 4
14x = 16
x = 16/14
x = 8/7