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mgb5e_ppt_1_5

# mgb5e_ppt_1_5 - value is larger as the sign of the sum Add...

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Martin-Gay, Beginning Algebra, 5ed 2 Adding Real Numbers Adding two numbers with the same sign Add their absolute values. Use their common sign as the sign of the sum. Add the following numbers. 3 + (–5) = – 8
Martin-Gay, Beginning Algebra, 5ed 3 Adding Real Numbers Adding two numbers with different signs Subtract the smaller absolute value from the larger absolute value. Use the sign of the number whose absolute

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Unformatted text preview: value is larger as the sign of the sum. Add the following numbers. – 4 + 12 = 8 Martin-Gay, Beginning Algebra, 5ed 4 Opposites or additive inverses are two numbers the same distance from 0 on the number line, but on opposite sides of 0. The sum of a number and its opposite is 0. If a is a number, – (– a ) = a . Additive Inverses Add the following numbers. – 15 + 15 = 0...
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