2x+12=4x+4怎么解
问题描述:
2x+12=4x+4怎么解
答
2x=4x-8
x=4
2x+2=0
2x=-2
x=-1
2x+12=4x+4怎么解
2x=4x-8
x=4
2x+2=0
2x=-2
x=-1