[tex]2x+7y-3x+5-2y-x = -2x+5y+5 \ \ \ \ \ \underline{E}\\\\5x-2y+5-4y-x+y = 4x-5y+6 \ \ \ \ \ \ \ \ \ \underline{P}\\\\3(-2x)+(-3)y+5+4x=-6x-3y+5+4x = -2x-3y+5 \ \ \ \ \ \underline{I}\\\\5(-y)-8x+7\cdot(-1)+2+2x = -5y-8x-7+2+2x = -6x-5y-5 \ \ \underline{K}\\\\2(-2y)+2x-5(-2y)-7+2+3x = -4y+2x+10y-5+3x = 5x+6y-5 \ \ \underline{A}[/tex]
[tex]EPIKA[/tex]
