解不等式:0.4x+0.9⼀0.5 - 0.03+0.02x⼀0.03 > x-5⼀2

2024-12-15 01:35:07
推荐回答(1个)
回答1:

6(4x+9)-10(3+2x)=15(x-5)
24x+54-30-20=15x-45
9x=81
x=9.