Question

Resuelve las siguientes operaciones

(6+14)(-8+30)
__________ =
(12-7)


(8x + 10xy - 8y + 45) - (-4x + 12y - 5xy - 25)


5x + 12x - 14 = -6x + 10x + 38

Answer 1

Respuesta:

1. (20) (22)

------------ = 440/5 = 88

5

2. 8x + 10xy - 8y + 45 + 4x - 12y + 5xy + 25

Rpta= 12x - 20y + 15xy + 70

3. 17x - 14 = 4x + 38

17x - 4x = 38 + 14

13x = 52

x = 52/13

x = 4