Question

(u + 6)/(u - 6) = 9/8 What is u?​

Answer 1

Answer:

u=102

Step-by-step explanation:

Sol,n

L.H.S

If u=102 then,

=102+6/102-6

=108/96

=12*9=108 and 12*8 = 96 so, hence

=9/8 R.H.S prooved #

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Answer 2

Step-by-step explanation:

u=1;v=

2

3

6u+3v=7uv

3u+9v=11uv

6u+18v=22uv

(6u−6u)+(18v−3v)=22uv−7uv

i.e. −15v=−15uv

i.e. u=1

6+3v=7v

i.e. 4v=6

i.e. v=

2

3

u=1,v=

2

3.