2(x-2)=(x-2)-49
问题描述:
2(x-2)=(x-2)-49
答
解
2(x-2)=(x-2)-49
2x-4=x-51
2x-x=51+4
x=55
2(x-2)=(x-2)-49
解
2(x-2)=(x-2)-49
2x-4=x-51
2x-x=51+4
x=55