10(x-200-600)=2x+2000
问题描述:
10(x-200-600)=2x+2000
答
10x-8000=2x+2000移向
8x=10000
x=1250
10(x-200-600)=2x+2000
10x-8000=2x+2000移向
8x=10000
x=1250