由题意知:
5(x+1)-3x>2(2x+3)+4
展开后得:
5x+5-3x>4x+6+4
即:2x+5>4x+10
移项后得:
-2x>5
即:2x故:2x-11+2x所以:|2x-1|-|1+2x|
=-(2x-1)-[-(1+2x)]
=-2x+1+1+2x
=2
由题意知:
5(x+1)-3x>2(2x+3)+4
展开后得:
5x+5-3x>4x+6+4
即:2x+5>4x+10
移项后得:
-2x>5
即:2x故:2x-11+2x所以:|2x-1|-|1+2x|
=-(2x-1)-[-(1+2x)]
=-2x+1+1+2x
=2