Решите уравнения 1)26-4а=48-15а
2)23у+30=80 -2у
3)15х–6=24
4)32b-29=35 .
5)40t- 8=55+19t ;
6)8у-13=11+2у .
7)12х-18+24х=6-12х
8)2у-21+3у=27-6у
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