document.write( "Question 1016597: Use the linear pairs of angles figure and solve:
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document.write( "if m∠1 = 3x + 7 and m∠2 = 2x - 8
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document.write( "find m∠3 \n" );
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Algebra.Com's Answer #632975 by FrankM(1040)![]() ![]() You can put this solution on YOUR website! ![]() \n" ); document.write( "\n" ); document.write( "m∠1 = 3x + 7 and m∠2 = 2x - 8\r \n" ); document.write( "\n" ); document.write( "m∠1 and m∠2 are supplementary, adding to 180 degrees. \r \n" ); document.write( "\n" ); document.write( "3x+7+2x-8=180\r \n" ); document.write( "\n" ); document.write( "5x-1=180\r \n" ); document.write( "\n" ); document.write( "5x=181\r \n" ); document.write( "\n" ); document.write( "x= 36.2\r \n" ); document.write( "\n" ); document.write( "2(36.2)-8= 64.4 degrees. \r \n" ); document.write( "\n" ); document.write( "angles 3 and 2 are the same. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |