Answer:
6x
Step-by-step explanation:
7x - x
X by itself is the same thing as 1x.
So, if we rewrite the equation using 1x instead of just x:
7x - 1x
Now, we can subtract like we normally would.
7x - 1x = 6x
It’s 12 multiple by 9 then add 5 centimeters
45
23/54