Question

Gente, me ajudem pfv !!!!​

Answer 1

Resposta:

a) 7x - 2x = 5x

b) 4a² - a² = 3a²

c) -8b + 10b + b = -8b + 11b = 3b

d) y + 15y - 4y = 16y - 4y = 12y

e) 6a + 3a - 7 = 9a - 7

f) 7a - 2a + 8b - b = 5a + 7b

g) m - 2m + 3a - 5a = -m - 2a

h) -9x + 3x - 2x + 4 = -11x + 3x + 4 = -8x + 4