Solve the equation.
x + 7 = 6x - 3

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

Which of the following is the result of expanding

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?