Solving Equations—Quick Reference - Algebra-Class.com

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Copyright 2009 Solving 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. Change the subtraction sign to addition. Change the sign of the second number to it s opposite sign. Multiplication and Division: If the signs are the same, the answer is positive. If the signs are different, the answer is negative. Golden Rule for Solving equations : Whatever You Do To One Side of the Equation, You Must Do to the Other Side!

Solving 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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