1) 2x-4(x-8)≤3x+2
2x-4x+32≤3x+2
2x-4x-3x≤2-32
-5x≤-30
x≥-30/(-5)
x≥6
2)12x-16≥11x+2(3x+2)
12x-16≥11x+6x+4
12x-6x-11x≥16+4
-5x≥20
x≤20/(-5)
x≤-4
3) 5(x+2)=x-2(5-x)
5x+10=x-10+2x
5x-x-2x=-10-10
2x=-20
x=-20/2
x=-10
4) 2-3(x-5)=5(1-x)
2-3x+15=5-5x
-3x+5x=5-15-2
2x=-12
x=-12/2
x=-6