(X-14)X(1-25%)=150 怎么解
问题描述:
(X-14)X(1-25%)=150 怎么解
答
(X-14)*(1-25%)=150
(X-14)*(75%)=150
X-14=150/(75%)
X-14=150*(100/75)
X=200+14
X=214