document.write( "Question 651077: \n" ); document.write( "\n" ); document.write( "m< ABD =(12x-12)degrees, m< BDE = (3x+48) degrees \n" ); document.write( "
Algebra.Com's Answer #407549 by MathLover1(20850)\"\" \"About 
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<\"ABD\" and < \"BDE\" are \"supplementary\"; so, they add up to \"180\" degrees\r
\n" ); document.write( "\n" ); document.write( "if \"m\" < \"ABD+=%2812x-12%29\"degrees, \"m\" < \"BDE+=+%283x%2B48%29\" degrees, then\r
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\n" ); document.write( "\n" ); document.write( "\"%2812x-12%29%2B%283x%2B48%29=180\"... now you can first find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"12x-12%2B3x%2B48=180\"\r
\n" ); document.write( "\n" ); document.write( "\"15x%2B36=180\"\r
\n" ); document.write( "\n" ); document.write( "\"15x=180-36\"\r
\n" ); document.write( "\n" ); document.write( "\"15x=144\"\r
\n" ); document.write( "\n" ); document.write( "\"x=144%2F15\"\r
\n" ); document.write( "\n" ); document.write( "\"x=9.6\"\r
\n" ); document.write( "\n" ); document.write( "now you can find {{x}}} \"m+\"<\"ABD\" and \"m\" < \"BDE\"\r
\n" ); document.write( "\n" ); document.write( "m< \"ABD+=%2812x-12%29\"degrees, \r
\n" ); document.write( "\n" ); document.write( "m< \"ABD+=%2812%2A9.6-12%29\"degrees\r
\n" ); document.write( "\n" ); document.write( "m< \"ABD+=%28115.2-12%29\"degrees\r
\n" ); document.write( "\n" ); document.write( "m< \"highlight%28ABD+=103.2%29\"degrees\r
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\n" ); document.write( "\n" ); document.write( "m< \"BDE+=+%283x%2B48%29\"\r
\n" ); document.write( "\n" ); document.write( "m< \"BDE+=+%283%2A9.6%2B48%29\"\r
\n" ); document.write( "\n" ); document.write( "m< \"BDE+=+%2828.8%2B48%29\"\r
\n" ); document.write( "\n" ); document.write( "m< \"highlight%28BDE+=+76.8%29\"degrees\r
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