To solve the equation, 7 / 8-80% x = 1 / 2, the calculation should be simple. (1) 16 / 14 / 5 / 7 / 8 ② 13 / [(1 + 1 / 3) * 3 / 4]

To solve the equation, 7 / 8-80% x = 1 / 2, the calculation should be simple. (1) 16 / 14 / 5 / 7 / 8 ② 13 / [(1 + 1 / 3) * 3 / 4]

8 / 7-80% x = 2 / 10.8x = 7 / 8-1 / 24 / 5x = 3 / 8x = 3 / 8 △ 4 / 5x = 15 / 326 / 14 / 5 / 7 / 7 = 6 △ 5 / 14x8 / 7 = 6 △ 20 / 49 = 147 / 10 ② 13 / [(1 + 1 / 3) * 3 / 4] = 13 △ 1 = 13. If you have any new questions, please don't send them to me in the form of follow-up questions