Pls with this page will mark as brainliest

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?