Zapisz w jak najprostszejszej postaci.

a)3(2x-1)+4(1-x)=6x-3+4-4x=2x+1 b)2(7x+5)-6(x-2)=14x+10-6x+12=8x+22 c)-2x(8-x)-5(x²+3x)=-16x+2x²-5x²-15x=-3x²-31x d)5(3-2x)-(4x+6)*3=15-10x-12x-18=-22x-3 e)2x+5-3x-12/3=2x+5-3x-4=-x+1 f)12x+16/4-10x+15/5=12x+4-10x+3=2x+7 g)9-6x/3-21-14x/7=189-42x-441-28x=-70x-252 h)4(x-1)/2-3*10x-50/5=2x-2-3*10x-10=2x-2-30x-10=-28x-12