Posted by **Terri** on Monday, April 6, 2009 at 6:03pm.

Explain how you know whether to add a number to or subtract a number from both sides of an equation in order to solve the equation.

- 6th grade math -
**Angie**, Monday, April 6, 2009 at 6:06pm
If the number was positive, then you subtract. If the number was negative, then you add. Basically, just do the opposite..

- 6th grade math -
**Stephanie**, Monday, April 6, 2009 at 8:12pm
that made no sense (angie)

anyway if the equation is different then you subtract if equation is the same then you add

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