What would you need to do the second equation so that we can use combination ( aka elimination ) to solve this problem? hint: whatever you do to one side of the equation you need to do to the other side so they are equal.

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.