. Решите уравнения: 1) 3x - 15 = x + 3;
2) 7 - 3x = x + 11;
3) 2(x + 3) = x + 13; 5) 3(х-2)=х+4
4) 4(5 - x) = 3х - 1; 6) 5(х-1)=4х+3​
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