Answer:
-9x-14
Step-by-step explanation:
Using distributive property, we can simplify the expression to x - 2 - 10x - 12
Then we can combine like terms and get -9x - 14
Answer: y = 1
9x + (3 x 1) = 12
top=3, middle=2, bottom= 1
Answer: it took him 9 hours
12.96