195. Решите уравнение: 1. х-3,5/0,5=8+3х+3,5/2
2. 4х+1/2 + 2х+3/3 = 7х-1/2
3. 3,5х+0,5/0,5 - 2х+1/0,5 + 5х/7=-х/7
ДАЮ 35 БАЛЛОВ! ПОМОГИТЕ ПОЖАЛУЙСТА! ​
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