解方程x-5-(75-x+5)=7
问题描述:
解方程x-5-(75-x+5)=7
答
x-5-(75-x+5)=7
x-5-75+x-5=7
2x=92
x=46
解方程x-5-(75-x+5)=7
x-5-(75-x+5)=7
x-5-75+x-5=7
2x=92
x=46