Question

me ajudeeeeee pfvr pq e até amanhã​

Answer 1

3) a) 3x+6x+8x

17x

b) 10ab + ab - 7ab - 5

11ab - 7ab - 5

4ab - 5

c) 7y - 3z + 4w + z

7y - 2z + 4w

d) 6ab - 2b + 4a - 6b + ab

6ab + ab - 8b + 4a

7ab - 8b + 4a

e) 7a - ( - 2a + 2b) - 8b

7a + 2a - 6b

9a - 6b

4) 3x + 2y

3.2 + 2.(-1)

6 + (-2)

6 - 2 = 4

b) 1^2 + 3^2 / 1

1 + 9 / 1

10 / 1 = 10

5) 4x + 6y - 5

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

-16 + 12 - 5

-4 - 5

-9