document.write( "Question 344061: angle A is 21 less than twice as large as its supplement angle B \n" ); document.write( "

Algebra.Com's Answer #246148 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2BB=180\"$
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\n" ); document.write( " $\"A=2B-21\"$
\n" ); document.write( "Substitute,
\n" ); document.write( " $\"%282B-21%29%2BB=180\"$
\n" ); document.write( " $\"3B=201\"$
\n" ); document.write( " $\"highlight%28B=67%29\"$ degrees
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\n" ); document.write( " $\"A=2%2867%29-21\"$
\n" ); document.write( " $\"highlight%28A=113%29\"$ degrees \n" ); document.write( "

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