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(3^3)^3 * 2x - 3^9 = 3^10 x + 2 * 3^9
3^9 * 2x - 3^9 = 3^10 x + 2 * 3^9 / : 3^9
2x - 1= 3^10x / 3^9 + 2
2x - 1 = 3^(10 - 9)x + 2
2x - 1 = 3^1x + 2
2x - 1 = 3x + 2
2x - 3x = 2 + 1
-x = 3
x = -3
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(3^3)^3 * 2x - 3^9 = 3^10 x + 2 * 3^9
3^9 * 2x - 3^9 = 3^10 x + 2 * 3^9 / : 3^9
2x - 1= 3^10x / 3^9 + 2
2x - 1 = 3^(10 - 9)x + 2
2x - 1 = 3^1x + 2
2x - 1 = 3x + 2
2x - 3x = 2 + 1
-x = 3
x = -3