Mathematics, 15.01.2020 04:31 hsbhxsb

What is the missing reason in step 3? a 2-column table with 6 rows is shown. column 1 is labeled statements with entries measure of angle t r v = 60 degrees and measure of angle t r x = (4 x) degrees, angle t r s and angle t r v are a linear pair, measure of angle t r s + measure of angle t r v = 180, 60 + 4 x + 180, 4 x =120, x = 30. column 2 is labeled reasons with entries given, definition of a linear pair, question mark, substitution property of equality, subtraction property of equality, division property of equality. substitution property of equality angle addition postulate subtraction property of equality addition property of equality

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What is the missing reason in step 3? a 2-column table with 6 rows is shown. column 1 is labeled st...

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