5 8x 1 7 4x 1. −X2+7x−7. Х/2-X-3/4-X+1/8<1/2. 8-7x ⩾3x+5. (X-1)^2. X2 + 4x+4/x+2. (X-11)^4=(X+3)^4. X4+x3+x2+3x+2=0. 2x^2-11=0. -2x-7=-4x. 3x-4/7-4x-1/4>2. (1/4)^X -9*(1/2)^X>-8. 4x-3/x+1-6x-5/2x+1. (7 1/6-1 3/4):15+2 5/8х2/3. 6,5*(Х-5)-5*(1,2х-4)=