4x-4(100-x)=368
问题描述:
4x-4(100-x)=368
答
4x-4(100-x)=368
4x-400+4x=368
8x=768
x=96
4x-4(100-x)=368
4x-4(100-x)=368
4x-400+4x=368
8x=768
x=96