x减五分之三x等于100-x的差减100-x的差乘四分之一减六这个方程怎么算？

Question

如题所述

Answer 1

x - (3/5)x=(100-x) - (100-x)•(1/4) - 6
(2/5)x=100 - x - 25 + (1/4)x - 6
(2/5)x + (3/4)x=69
(23/20)x=69
x=69•(20/23)
∴x=60