Solve for

b. b 0.6=-1 what is the answer?

I assume the expression is written this way,

b (0.6) = - 1

or this can be better written as,

0.6b = - 1

To answer the question, we divide both sides of the equation by 0.6 and that will give us an answer of,

b = - 1/0.6 = - 5/3