How do you solve #\frac { 3} { x } + \frac { x - 1} { 2x } = 1#?
3 Answers
Explanation:
First, we must get each fraction over a common denominator so we can add them by multiplying by the necessary form of
Now, we can multiply each side of the equation by
We can now solve for
Explanation:
Using short cuts
Write as
Cross multiply
But for
There is no need to consider the rest as divide by 0 is 'not permitted'. It is an excluded value.
So the answer is just
Explanation:
When you have an equation that has fractions, you can get rid of the denominators immediately.
Multiply each term by the LCM of the denominators, so you can cancel them.
In this case the LCM is