35(x-2)-15(5x-6)=22x-63-21(3x-4)
问题描述:
35(x-2)-15(5x-6)=22x-63-21(3x-4)
答
35(x-2)-15(5x-6)=22x-63-21(3x-4),
35x-70-75x+90=22x-63-63x+84,
35x-75x-22x+63x=-63+84-90+70,
x=1;
故答案为:1