Respuesta :

Answer:

a = 0

x = -1 + 5 = 4

m = 15

Explanation:

a, 8 +(-8) + a

a = 8 + (-8)

a = 0

b, x +(-5) + 1

x = -1 - (-5)

x = -1 + 5 = 4

c, -9 + m +(-6)

= m + (-9) + (-6)

= m - 9 - 6

= m -15

m = 15

Hope this help :3