Question

alguém sabe ajudaaa pfvvv​

Answer 1

Resposta:

b) x = 12, c) x = -3, d) x = -5, e) x = - 3/4, f) x = 11, g) x = 7, h) a = 3, i) y = -3, j) b = -20, k) x = -6, l) x = 1.