Найдите корни уравнений:
1) 9 - 7x = 2,5 – 3x:
2) 0,8x - 3,5= -1,2x + 0,5;
3)1/5 x — 4 = 0,1х + 2,
4)11/ 12 х- 2/3= -0,5 - 3/4х
5) 3(x-2) = 4x;
6) - 4(х-2)= -6;
7)2(2-у)= y – 5;
8) 2a - (14 - 3a) = -10​
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