А) |x-2|<8<br>x-2<8 x<10<br>2-x<8 x>-6
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\10
-6///////////////////////////////////////////////////////
x∈(-6; 10)
б) |4*x+1|≥5
4*x+1≥5 4*x≥4 x≥1
-1-4*x≥5 4*x≤-6 x≤-1,5
\\\\\\\\\\\\\\\\\-1,5...............1////////////////////
x∈(-∞; -1,5]∪[1; +∞)