Well set it up first. You get: 8.2-(-3.5) so what you do is that you first subtract 8.2-3.5=4.7. Then you want to find out weather it is negative or positive. First point out which one is bigger in this case 8.2 is bigger and a positive so your answer would be positive. Answer: +8.2 or 8.2
Answer:

Step-by-step explanation:

Solve parenthesis first

Find a common denominator.
The common denominator would be 6.
Because the first expression already has a denominator of 6 it stays the same.


Put that into the original equation.

Isolate the x. Add
to each side.

Find a common denominator.
we can use 18 as the common denominator.

Add.

We cannot simplify so our answer stays the same.
Answer:
I think its 6.40 but I'm not sure.