Question

3分之x加m减2分之2x减1等于m,这个式子的解是非正数,求m的范围

Answer 1

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

2(x+m) - 3(2x-1) =6m

2x+2m - 6x+3 =6m

4x = 3-4m

x = 3/4 - m

解是非正数

3/4 - m ＜0

m＞3/4