Evaluate the expression:
-(-49)

50
49
-49
-48

Step-by-step explanation:

-(-49)= 49

Hope it helps u

49

Step-by-step explanation:

-(-49) = +49

(— × — = +)

-TheUnknownScientist

let's say:

Husband's present age: a

Wife's present age : b

Daughter's present age : c

(a - 3) + (b - 3) + (c - 3) = 27 x 3

a + b + c = 90

(b - 5) + (c - 5) = 40

b + c -10 = 40

b + c = 50

a = 90 - 50

a = 40

Husband's present age is 40 years old.