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Si:
m = n = - 5
n = - 5
p = m + n = (- 5) + (- 5) = - 5 - 5 = - 10
Piden: m + n + p = (- 5) + ( - 5) + (- 10) = - 5 - 5 - 10 = - 20
B.
Si:
x = - 20
y = w - x = 8 - (- 20) = 8 + 20 = 28
w = 8
Piden: x + y + w = (- 20) + 28 + 8 = 36 - 20 = 16