Question

the multiplicative inverse of (a+b) is 1/-12if a=4 what is value of b?

Answer 1

Check the image for solution

Answer 2

Answer:

$the \: multiplicative \: inverse \: of \: (a+b) \: is \: 1/-12 \\ \: if \: a \: = \: 4 \: what \: is \: value \: of \: b? \: \\ \\ ans. \: \: multiplicative \: inverse \\ \\ a + b = \frac{1}{a + b} = \frac{1}{12} \\ \\ 4 + b = \frac{1}{4 + b} \\ \\ a + b = - 12 \\ \\ 4 + b = - 12 \\ \\ b = - 12 - 4 \\ \\ b = - 16 \: answer.\\ \\ checking \\ (4 + - 16) = - 12$

Step-by-step explanation:

I HOPE THAT IT'S HELPFUL FOR YOU.