Odpowiedź :
a) (8x - 2) + (3x + 4) = 8x-2+3x+4 = 11x+2
b) (x - 6y) - (2x + 5y) =x-6y-2x-5y = -x-11y
c) -(x + 2) + (3x + 1) = -x-2+3x+1 = 2x-1
a) (8x - 2) + (3x + 4) = 8x-2+3x+4 = 11x+2
b) (x - 6y) - (2x + 5y) =x-6y-2x-5y = -x-11y
c) -(x + 2) + (3x + 1) = -x-2+3x+1 = 2x-1