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)

3(4x-2y)-3(-y+8x)
=12x-6x-3y+24x
=30x-3y