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