Almost. Where you put -(-5) and then later on you say it’s -5. It’s not. It would be +5 or just 5 because - and - makes a plus :)

I hope this this is what you need ..
Answer:
swich the one attached to equation with the one attached to expression
Step-by-step explanation:
an equation need to have an equals sign, an expression doesnt.
Move the decimal to right 3 times
The answer is 8 hope this helps all u have to do is figure out what two numbers added togher give you 18