Trevor tutors French for $12 an hour and scoops ice cream for $8 an hour. He is going to work 20 hours this week. At least how m
any hours does he need to tutor to make more than $190? Let x equal the number of hours he tutors and y be the number of hours he scoops ice cream. At least how many hours does Trevor need to tutor to make more than $190? Please express your answer as a decimal number.
║a+9║/7=5 you multiply 7 on both sides which cancel out 7. now it ║a=9║=35 and now it would be a+9=35 and a+9=-35 then solve it. 35-9 and 9-(-35)= 26 and -44 hope this helped!