3(x-1)-(x-5)怎样化简
问题描述:
3(x-1)-(x-5)怎样化简
答
3(x-1)-(x-5)
=3x-3-x+5
=2x+2
3(x-1)-(x-5)怎样化简
3(x-1)-(x-5)
=3x-3-x+5
=2x+2