A number equals four less than three times the number ?
To solve this problem, you can set up the equation
You are now left with
Simplify that, and you get the equation
Simplify, and you get your final answer of x=2.
The number is 2
This sounds rather confusing, but writing it out into an equation will help a lot in solving it.
(written:) A number equals four less than 3 times the number
Now let's isolate all parts with
Now let's divide by 2.
Since we have a negative sign on both sides, we can actually multiply them both by