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The short answer is:

Do EXACTLY THE SAME THING to

BOTH SIDES of an equation, to keep

both sides EQUAL!! (What ever you

do, you do to the WHOLE left side,

AND the WHOLE right side!!)

EXAMPLE:

5=2+3

(Now multiply both sides by TWO):

2(5) = 2(2) + 2(3).

See how BOTH the 2 and the 3 had

to be multiplied by 2?

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Wiki User

14y ago

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