SOLUTION: the measure of angle a is 9 more than twice the measure of angle nd b are supplementary angles ,what is the measurenof angle a?b.if angle a a

SOLUTION: the measure of angle a is 9 more than twice the measure of angle nd b are supplementary angles ,what is the measurenof angle a?b.if angle a a

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Question 625946: the measure of angle a is 9 more than twice the measure of angle nd b are supplementary angles ,what is the measurenof angle a?b.if angle a a
Answer by swunder(3) (Show Source): You can put this solution on YOUR website!
(2x+9)+x=180
3x+9=180
3x=171
x=57

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