3(x-1)+1>5x-2(1-x)和5-(2x-1)
问题描述:
3(x-1)+1>5x-2(1-x)和5-(2x-1)
答
3(x-1)+1>5x-2(1-x)
3x-3+1>5x-2+2x
3x-2>7x-2
4x