"Whatever You Do to one side you have to do to the other"

Yes, if both sides are separated by an '=' sign.

Almost on everything! I have not had a reason not too, yet! (:

i beleive so

:)

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Does the rule "whatever you do to one side you have to do to the other side" always apply in math?

It is for solving equations.

Equations have to balance.

e.g.   If you take 5 of one side you have to take 5 off the other side as well or it won't 'balance' any more

I'm trying to get it to up load a pic but it will not upload :(

Think of it like those old fashioned scales that have to balance.  Equations must always balance

eg

if

x=8

then

x+3=8+3

x/6=8/6

etc.

they won't be equal anymore if you do not do the same thing to both sides.