How many solutions are there to the equation 6x+35+9x=15(x+4)-25

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

What is 20+(5 x 2/5 )+ 3 show your work

Write the equation in logarithmic form m^x=n