x⼀(1-6%) +(833-x)⼀(1+5%)=830 这个式子怎么解?

2024-12-24 12:15:08
推荐回答(1个)
回答1:

x/(1-6%) +(833-x)/(1+5%)=830
x/0.94 +(833-x)/1.05=830
左右同时乘以0.94*1.05
1.05x+0.94*833-0.94x=830*0.94*1.05
0.11x=0.94(830*1.05-833)
0.11x=0.94*38.5
x=0.94*38.5/0.11
x=0.94*350
x=329