Nine times the sum of a number and 6 is equal to 3

9(x+6)= 3

Distribute
9x+54=3

Subtract 54 from both sides
9x=-51

Divide both sides by 9
x=-51/9
x= -17/3

Final -17/3

Ithink you're supposed to multiply 12.50 which is how much he makes per hour and then multiply it by each number then add whats left togrther and there's your answer