Question

please answer this fast​

Answer 1

Answer:

Value of b= - 47/12..........

Answer 2

Answer:

If the multiplicative inverse of a + b is $\frac{1}{-12}$ then their actual sum would be - 12.

a + b = - 12

- 4 + b = - 12

b = - 12 + 4

b = - 8

- 4 + (- 8) = - 12

Hence the value of b = - 8

Hope it helps