I'm past this, but couldn't remember the rule....I have
Then there is a rule for solving this.... You can't multiply both sides by ,because you don't know if is negative or positive. The book says you should get
Thanks!
I'm past this, but couldn't remember the rule....I have
Then there is a rule for solving this.... You can't multiply both sides by ,because you don't know if is negative or positive. The book says you should get
Thanks!
With these types of equalities you have a couple of chouces.
As you said you cannot multiply both sides by , however you can multiply both by , as you know this is a positive number.
You can also make both sides into fractions and add or subtract to rearrange.
For example, , leading to
Can you solve this from here?