解下面不等式(写过程答案) -2x-5(x+2)>8-3x 2(x+1)-7x-2⼀2

2025-05-18 14:21:22
推荐回答(1个)
回答1:

-2x-5(x+2)>8-3x,
-2x-5x-10>8-3x,
-7x+3x>18,
-4x>18,
x<-9/2;
2(x+1)-(7x-2)/2<(2-x)/3,
6*2(x+1)-3(7x-2)<2(2-x),
12x+12-21x+6<4-2x,
-9x+2x<-14,
-7x<-14,
x>2.