5x+x-3=9
6x-3=9
cancel out 3 3+3 9+3
6x=12 divide six by 6 and by 12 too.
x=12/6=2
x=2
Hello!
<u><em>Answer: ⇒⇒⇒⇒⇒⇒⇒ =54</em></u>
_________________________________________________________________
Step-by-step explanation:
First you had to convert element to fraction.

Then you had to cross out by the common factor of 3.

Multiply by the fraction.

Multiply by the number.


Again multiply by the number.


Apply rule.

54 is the right answer.
______________________________________________________________
Hope this helps!
Thank you for posting your question at here on brainly.
Have a great day!
-Charlie
_________________________________________________________________
Answer:
5002.46412961
Step-by-step explanation:
Answer: the surface area is 216cm
Step-by-step explanation: