Question

Samuel helps his brother paint walls during his summer vacation he charges $10 for the first room and $5 for each additional room he paint what equation could be used to find out how many additional rooms he would have to paint to make $50 at one house

Answer 1

10+5x=50
subtract ten from both sides
5x=40
divide five from both sides
x=8
samuel will need to paint 8 additional rooms