3(5x-6)=3-20x,15x-18=3-20x,35x=21,x=3/5;不知方程为下面哪一个:
若为 (a-10)x/3=2a+10x,(x/3-2)a=10x+10x/3,
则 a=(10x+10x/3)/(x/3-2)=-10;
若为 a-10x/3=2a+10x,
则 a=-40x/3=-8;
3(5x-6)=3-20x,15x-18=3-20x,35x=21,x=3/5;不知方程为下面哪一个:
若为 (a-10)x/3=2a+10x,(x/3-2)a=10x+10x/3,
则 a=(10x+10x/3)/(x/3-2)=-10;
若为 a-10x/3=2a+10x,
则 a=-40x/3=-8;