1034. 1)
3x + (5x - 2) <3 - 2x,
4(5x - 1) - 21x > 1 - 3 x;
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ответ:3x+(5x−2)<3−2x3x+5x−2<3−2x3x+5x+2x<3+210x<5x<0.5

4(5x - 1) - 21x > 1 - 3x \\ 20x - 4 - 21x > 1 - 3x \\ 20x - 21x + 3x > 1 + 4\\ 2x > 5 \\ x > 2.5\ }4(5x−1)−21x>1−3x20x−4−21x>1−3x20x−21x+3x>1+42x>5x>2.5