document.write( "Question 637826: my problem is find the measure of each marked angle. A+B=180. A=(10x+7) B=(7x+3)
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document.write( "the answer i am looking for is A=107 and B= 73 Show me how to get the same thing
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Algebra.Com's Answer #401910 by DrBeeee(684)![]() ![]() ![]() You can put this solution on YOUR website! (1) A = 10x + 7 \n" ); document.write( "(2) B = 7x + 3 \n" ); document.write( "(3) A + B = 180 \n" ); document.write( "By substituting A of (1) and B of (2) into (3) you have \n" ); document.write( "(10x + 7) + (7x + 3) = 180 \n" ); document.write( "Simplifying \n" ); document.write( "10x +7x +7 +3 = 180 \n" ); document.write( "17x + 10 = 180 \n" ); document.write( "17x = 180 - 10 \n" ); document.write( "17x = 170 \n" ); document.write( "x = 170/17 \n" ); document.write( "x = 10 \n" ); document.write( "By substituting x = 10 into (1) we have \n" ); document.write( "A = 10*10 + 7 \n" ); document.write( "A = 107 \n" ); document.write( "By substituting x = 10 into (2) we have \n" ); document.write( "B = 7*10 + 3 \n" ); document.write( "B = 73 \n" ); document.write( "Answer: A = 107 and B = 73 \n" ); document.write( " |