mgb5e_ppt_1_6 - 150 2 x x + 150 2 x = 90 150 x = 90 x = 60...

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§ 1.6 Subtracting Real Numbers
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Martin-Gay, Beginning Algebra, 5ed 2 Subtracting real numbers If a and b are real numbers, then a b = a + (– b ). Subtract the following numbers. ( 5) – 6 – ( 3) = ( 5) + ( 6) + 3 = 8 Subtracting Real Numbers
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Martin-Gay, Beginning Algebra, 5ed 3 Complementary angles are two angles whose sum is 90 o . Find the measure of the following complementary angles. x
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Unformatted text preview: 150 2 x x + 150 2 x = 90 150 x = 90 x = 60 x = 60 and 150 2 x = 30 Complementary Angles Martin-Gay, Beginning Algebra, 5ed 4 Supplementary angles are two angles whose sum is 180 o . Find the measure of the following supplementary angles. x x + 78 x + x + 78 = 180 2 x + 78 = 180 2 x = 102 x = 51 and x + 78 = 129 Supplementary Angles...
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mgb5e_ppt_1_6 - 150 2 x x + 150 2 x = 90 150 x = 90 x = 60...

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