x-2(x-3)>4,x/2-(x-3)>1/4
问题描述:
x-2(x-3)>4,x/2-(x-3)>1/4
答
是不等式组吗?
x-2(x-3)>4
x-2x+6>4
xx/2-(x-3)>1/4
两边乘4
2x-4x+12>1
2xx所以x