当x= 时,4x+6与-10X+12的值相等;当X=()时,4X+6与-10X+12互为相反数.当X= 时,4x+6比-10x+12多2

问题描述:

当x= 时,4x+6与-10X+12的值相等;当X=()时,4X+6与-10X+12互为相反数.当X= 时,4x+6比-10x+12多2

1.令4x+6=-10x+12,14x=6,x=3/7
2.令4x+6=10x-12,-6x=-18,x=3
3.令4x+6=-10x+12-2,14x=4,x=2/7