你好，答案是-0.7
满意给个采纳
-0.7
(4x-1)/2=(x-5)/312x-3=2x-1010x=-7x=-7/10
(4x-1)/2=(x-5)/3(4x-1)×3=(x-5)×212x-3=2x-1010x=-7X=-0.7
