Uprość wyrażenia algebraiczne : -7+3y+9+2y -5+4y-y-7x-9y 4x+5-x-4+x-3x 0,5a-2a+9-0,5a-11,5 -14k+9k-13+k+3+4k -3k+2m+5m-7+k-m 2x-4+3x-2 x-3y-2x+6y 2y-5-3y-4-8y+9

-7+3y+9+2y = 5y +2 -5+4y-y-7x-9y = -6y - 7x -5 4x+5-x-4+x-3x = x +5 0,5a-2a+9-0,5a-11,5 = -2a - 2,5 -14k+9k-13+k+3+4k = -10 -3k+2m+5m-7+k-m = -2k + 6m - 7 2x-4+3x-2 = 5x - 6 x-3y-2x+6y = -x + 3y 2y-5-3y-4-8y+9 = -9y

-7+3y+9+2y = 2+5y -5+4y-y-7x-9y = -5-6y-7x 4x+5-x-4+x-3x = x+1 0,5a-2a+9-0,5a-11,5 = -2a-2,5 -14k+9k-13+k+3+4k = -10 -3k+2m+5m-7+k-m = -2k+6m-7 2x-4+3x-2 = 5x-6 x-3y-2x+6y = -x+3y 2y-5-3y-4-8y+9 = -9y