Hi! Hope you are having a nice day!
In order to make x the subject, we need to solve for x.
It's easy, right?
We have
y=x+6
Move x to the left. Be sure to use the opposite operation.
y-x=6
Now, move y to the right:
-x=6-y
x=-6+y
or
x=y-6
There's an easier way:
y=x+6
y-6=x
x=y-6 (See? We ended up with the same answer :) )
Hope you could understand everything.
#CarryOnLearning