3x+4=-2x-6解：移项，得3x-(-2x)=4+6合并同类项，得5x=10系数化为1，得x=2
3x+4=-2x-63x+2x=-6-45x=-10x=-10÷5x=-2
解方程过程如下3x+4=-2x-63x+2x=-6-45x=-10x=-10÷5x=-2望采纳
