výrazy s premennou

- (7x+6y-2)

• -7x-6y+2

• 7x-6y-2

• -7x+6y+2

• -7x-6y-2

(2x+5y) + ( -5x +6y) =

• 3x +11y

• -3x +y

• - 3x +11y

• 3x -11y

(4x+5) - ( 3x + 4y -8)

• x - 4y + 11

• -x +4y -11

• 7x - 4y -11

• 7x +4y +11

3x - ( x +6y +4) =

• 2x +6y +4

• 2x -6y -4

• 4x +6y +4

• 4x -6y -4

-4 .( 3x +5 - 2y)

• -12x - 20 + 8y

• -12x + 20 - 8y

• 12x +20 + 8y

• 12x + 20y +8

7x + 5y -4x -8 - 7y =

• -3x -2y -8

• -3x +2y - 8

• 3x +2y -8

• 3x - 2y -8

(40x - 8y + 12t -20) : (-4) =

• -10x - 2y +8t +5

• -10x + 2y - 3t + 5

• 10x - 2y -3t + 5

• 10x + 2y +3t + 5

5.(4x +2b -6x)

• -10x +10b

• -10x -10b

• 60x -10b

• -60x +10b

[ 5x - (4x+6y) +5x -4y] =

• 6x -10y

• 10x +2y

• 10x -10y

• -6x -10y

- [ 5x - (4x+6y) +5x -4y]

• 6x - 10y

• -6x+10y

• -6x -10y

• 6x + 10y