Answer:
Step-by-step explanation:
-7x+4=18
-7x=14
Divide-7 on both sides of the equal sign which is going to leave you with x=-2
E.5 hours
All you have to do is subtract 85 from 510 till you have 0
Hey!
Tenths place is one number after the decimal point. The tenths place is 0. After the number 0 is 8. Since 8 is equal to or greater than 5, the tenths place goes up by 1.

Now it becomes:

<em>456.1 is your answer</em>