4x+2=39+3x哪位好心人能帮个忙啊
问题描述:
4x+2=39+3x哪位好心人能帮个忙啊
答
4x+2=39+3x
4x-3x=39-2
x=37
4x+2=39+3x哪位好心人能帮个忙啊
4x+2=39+3x
4x-3x=39-2
x=37