(9x+14)/7-(2x-3)/3-(3x+4)/2=1
问题描述:
(9x+14)/7-(2x-3)/3-(3x+4)/2=1
答
(9x+14)/7-(2x-3)/3-(3x+4)/2=1
6(9x+14)-14(2x-3)-21(3x+4)=42
54x+84-28x+42-63x-84=42
-37x=0
x=0
答
6(9x+14)-14(2x-3)-21(3x+4)=42
54x+84-28x+42-63x-84=42
37x=0
x=0