Eight less than three times a number equals the number. What is the number?

Question

39006 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-10-21T08:03:42

The number is #4#.

Let the number be #x#.

Eight less than three times #x# equals #x#. We can express this in an equation:

#3x-8=x#

Subtract #x# from both sides.

#2x-8=0#

Add #8# to each side.

#2x=8#

Divide both sides by #2#.

#x=4#