Question

解不等式:1-3分之2x+1小于等于2+2分之x-1,并且花数轴

Answer 1

1-3分之2x+1小于等于2+2分之x-1

1-(2x+1)/3<=2+(x-1)/2

左右同乘6得

6-2(2x+1)<=12+3(x-1)

6-4x-2<=12+3x-3

4x-4<=3x+9

4x-3x<=4+9

x<=13