7.6. Решите уравнение:
1) 2-2 +3-1 x=0,25;
3) 2,25x = 5,125 – 4-1x;
2) 3-1х + 3-2 х = 9-2 +х;
4) 4-х – 2-2x = 82 +х.
1) 2-2 +3-1 x=0,25;
3) 2,25x = 5,125 – 4-1x;
2) 3-1х + 3-2 х = 9-2 +х;
4) 4-х – 2-2x = 82 +х.
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Answers & Comments
Ответ:
1) х=2,76
2)
3)х=
4)=-20