Question

-5y+2y-8y-3y+7y-6y+2y+10y-4y-9y-y+7y+12y-9y-15y+2y-4y-5y-3y

Answer 1

a resposta sera -30y .

Answer 2

-5y+2y = -3y-8y = -11y-3y = -14y+7y = -7y-6y = -13y+2y = -11y+10y = -1y-4y = -5y-9y = -14y-y = -15y+7y = -8y+12y = 4y-9y = -5y-15y = -20y+2y = -18y-4y = -22y-5y = -27y-3y = -30y