-2(x-4) = -2x + 8a(-3b+2c-7) = -3ab + 2ac - 7a-1,5(2x-4y) = -3x + 6y3(-4x+6)-(1-12x) = -12x + 18 - 1 + 12x = 172(7-y) + 7(x-2) = 14 - 2y + 7x - 14 = 7x - 2y
-2(x-4) = -2x + 8
a(-3b+2c-7) = -3ab + 2ac - 7a
-1,5(2x-4y) = -3x + 6y
3(-4x+6)-(1-12x) = -12x + 18 - 1 + 12x = 17
2(7-y) + 7(x-2) = 14 - 2y + 7x - 14 = 7x - 2y