Thread: Simultaneous Equation Indices

Solve simultaneously:

Originally Posted by acevipa

Solve simultaneously:

The first equation is readily simplified:

.

The second is also readily simplified:

.

Solve the two simplified equations simultaneously .....

Originally Posted by acevipa

Solve simultaneously:

Use substitution method:

.... [1]

.... [2]

Plug in the term for y of [2] into [1]:

.... Now divide both sides by



Therefore .... and

Originally Posted by earboth

Use substitution method:

.... [1]

.... [2]

Plug in the term for y of [2] into [1]:

.... Now divide both sides by



Therefore .... and

Sorry to say, earboth but I think you've done all that work for nothing .....

If you look at the latex code used in the original post, you'll see [tex]11^(y-x) = 1/11[/tex].

I think the intended latex code for equation 2 was [tex]11^{y-x} = 1/11[/tex], to give .....

Originally Posted by mr fantastic

Sorry to say, earboth but I think you've done all that work for nothing .....

( ................. ) here are included some forbidden words

but nevertheles it was a nice training.