Solving Equations—Quick Reference - Algebra-Class.com
Copyright 2009 Algebra-class.com Solving Equations—Quick Reference Integer Rules Addition: • If the signs are the same, add the numbers and keep the sign. • If ...
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www.algebra-class.comSolving Equations—Quick Reference Integer Rules Addition: • If the signs are the same, add the numbers and keep the sign. • If the signs are different, subtract the num-bers and keep the sign of the number with the largest absolute value. Subtraction: Add the opposite Keep—Change—Change • Keep the first number the same.
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