11(x-3)=5.5*4 7.5x+30=2.5x+10011(x-3)=5.5*4 7.5x+30=2.5x+100
问题描述:
11(x-3)=5.5*4 7.5x+30=2.5x+100
11(x-3)=5.5*4
7.5x+30=2.5x+100
答
11(x-3)=5.5*4 7.5x+30=2.5x+100
11(x-3)=5.5*4
7.5x+30=2.5x+100