12.42/(17-n)=4.14 what is the value of n
Multiply both sides by 17 - n and then combine terms.
12.42 = 70.38 - 4.14 n
4.14 n = 57.96
Now you can solve that for n in one more step.
12.42 = 70.38 - 4.14 n
4.14 n = 57.96
Now you can solve that for n in one more step.