[tex]a] 2(x-8)-3(y-2x^2)\\2x-16-3(y-2x^2)\\2x-16-3y+6x^2\\2x-16-3y+6x^2\\b] \frac{9a+3b}{3} - \frac{4a-8b}{2} +a\\\frac{3(3a+3b}{3}-\frac{2(2a-4b)}{2}+a\\3a+b-(2a-4b)+a\\3a+b-2a+4b+a\\2a+5b\\c]-5(p-r+4)-(3r-5p)+16\\-5p+5r-20-(3r-5p)+16\\-5p+5r-20-3r+5p+16\\5r-20-3r+16\\2r-4\\d]\frac{4t-8}{4} + (-6t+2s-1):2\\\frac{4(t-2)}{4}+\frac{-6t+2s-1}{2}\\t-2+\frac{-6t+2s-1}{2}\\ \frac{2t-4-6t+2s-1}{2}\\\frac{-4t-5+2s}{2}\\-2t-2,5+s \\e]-6x-(3x-y)+4(-2x+y)\\-6x-3x+y-8x+4y\\-17x+5y\\[/tex]
