-5-k=-12 To solve this start by getting all your numbers separate from K To do this add 5 to both sides -k=-7 Then multiply both sides by -1 to make k positive which leaves you with k=7 which is also your answer
Only cabinet with two silver coins is cabinet B. The chance of choosing cabinet B is 1/3. Thus, there is a 1/3 chance of the two cabinets contain 2 silver coins.
