Question

add 6/w + 1/w^2=7/w^2??? add 6/w + 1/w^2=7/w^2??? @Mathematics

Answer 1

w=-1/6

Answer 2

no wait is it 1/6

Answer 3

you can't add them, denominators are not the same

Answer 4

yea i keep wanting to add them

Answer 5

no wait i have to have a w dont I?

Answer 6

\[{6 \over w}+{1 \over w^2}={7 \over w^2}\]
multiply first term by w/w:
\[{6w \over w^2}+{1 \over w^2}={7 \over w^2}\]
multiply all by w^2 to get rid of the denominator:

Answer 7

so was the correct answer what i had?

Answer 8

6w+1=7
6w=6
w=1

Answer 9

If that was the answer you had...

Answer 10

yea i came up with 7/w^2

Answer 11

Well that's what the right side turns into...

Answer 12

Oh wait, it was always that.

Answer 13

do you understand what I did multiplying the first expression by w/w?

Answer 14

yea i see what your saying. thanks.