化简,合并同类项:(2m-3)+m-(3m-2)
问题描述:
化简,合并同类项:(2m-3)+m-(3m-2)
3(4x-2y)-3(-y+8x)
答
3(4x-2y)-3(-y+8x)
=12x-6x-3y+24x
=30x-3y