Hi all.
I have an ext. exam coming up tomorrow and I needed help with Equations with Fractions.
I looked up a tutorial and got this, which I do not understand:
Multiply both sides of the equation -- every term -- by the LCMof denominators. Every denominator will thencancel. We will then have an equation without fractions.
The LCM of 3 and 5 is 15. Therefore, multiply every term on both sides by 15:
Each denominator will now cancel into 15 -- that is the point
-- and we have the following simple equation that has been "cleared" of fractions:
How do they multiply the terms by 15?
Like how do they multiply 15 by x over 3?
This is confusing.
Thanks in advance!
I have an ext. exam coming up tomorrow and I needed help with Equations with Fractions.
I looked up a tutorial and got this, which I do not understand:
x 3 | + | x − 2 5 | = 6 |
Multiply both sides of the equation -- every term -- by the LCMof denominators. Every denominator will thencancel. We will then have an equation without fractions.
The LCM of 3 and 5 is 15. Therefore, multiply every term on both sides by 15:
15· | x 3 | + | 15· | x − 2 5 | = 15· 6 |
Each denominator will now cancel into 15 -- that is the point
5x + 3(x − 2) | = | 90. |
How do they multiply the terms by 15?
Like how do they multiply 15 by x over 3?
This is confusing.
Thanks in advance!