(1+15%)x(1+10%)=(1+30%)x-700
问题描述:
(1+15%)x(1+10%)=(1+30%)x-700
答
(1+15%)x(1+10%)=(1+30%)x-700
115%*110%=130%x-700
115*110%=130x-70000
115*110=13000x-7000000
13000x=7000000+12650
1300x=701265
x≈5394