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5. X - 2 = 1X + 2. (1X + 8) 5X - 2 = 1X + 2X + 165X - 1X - 2X = 16 + 2 5X - 3X = 18 2X = 18 X = 18 / 2 X = 9.

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MajoCoronaV
1

5. X - 2 = 1X + 2.

(1X + 8) 5X - 2 = 1X + 2X + 165X - 1X - 2X = 16 + 2 5X - 3X = 18 2X = 18 X = 18 / 2 X = 9.