Question

2. Determine o valor de cada soma algébrica: a) 8 - (-6 + 10)
b) -10 + (6 - 4)
c) 2 + (2 + 5 - 7)
d) -5 + (2 - 4) – (7 - 1)
e) (-5 + 3) - (5 – 9) + (8 – 1) – 11​

Answer 1

a) 8 - 4 = 4

b) -10 + 2 = -8

c) 2 + 0 = 2

d) -5 - 2 - 6 = -13

e) -2 + 4 + 7 -11 = -2