When i use " / " it's the divider.
Example:
1
—
2
But instead. I do it like:
1/2
So: 1 divided by 2
Or 1 over 2.
Anyways, let's get started.
[Subtract] 1.
6-8=a/10
[Simplify] 2.
-2=a/10
[Multiply both sides] 3.
−2×10=a
[Simplify] 4.
−20=a
[Switch sides] {Answer} 5.
a=−20