1 . 2(4x-0.5) =8x-1
2.-3(1-1/6x)=-3+1/2x
3.-x+(2x-2)-(3x+5)=-x+2x-2-3x-5=-2x-7
4. 3a^2+a^2-(2a^2-2a)+(3a-a^2)=3a^2+a^2-2a^2+2a+3a-a^2=a^2+5a
1 . 2(4x-0.5) =8x-1
2.-3(1-1/6x)=-3+1/2x
3.-x+(2x-2)-(3x+5)=-x+2x-2-3x-5=-2x-7
4. 3a^2+a^2-(2a^2-2a)+(3a-a^2)=3a^2+a^2-2a^2+2a+3a-a^2=a^2+5a