6x-(10-x)*4=58怎么做?6x-(10-x)*4=525呢?

问题描述:

6x-(10-x)*4=58怎么做?6x-(10-x)*4=525呢?

6x-(10-x)*4=58
6x-40-x+4x=58
10x=98
x=9.8
同理可解出6x-(10-x)*4=525