(х-15)/2-(2х+1)/8+1≤0
4*(x-15)/8-(2x+1)/8-1≤-1 4(x-15)-(2x+1)≤-1/8 4x-60-2x-1≤-1/8 2x≤60+7/8 x≤487/16 x≤30+7/16