document.write( "Question 1014075: I need some help with solving problem : In triangle ABC the measurement of angle A is 5 degrees more than 3 times the measure of angle B. Angle C measures 20 degrees less than angle B to determine the measurement of angles ABC? \n" ); document.write( "
Algebra.Com's Answer #630436 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "by definition of the sum, we have:\r
\n" ); document.write( "\n" ); document.write( "\"A%2BB%2BC=180\"\r
\n" ); document.write( "\n" ); document.write( "if the measurement of angle \"A\" is \"5\" degrees more than \"3+\"times the measure of angle \"B\", we have\r
\n" ); document.write( "\n" ); document.write( "\"A=3B%2B5\".....eq.1\r
\n" ); document.write( "\n" ); document.write( "if angle \"C\" measures \"20\" degrees less than angle \"B\", we have\r
\n" ); document.write( "\n" ); document.write( "\"C=B-20\" ............eq.2\r
\n" ); document.write( "\n" ); document.write( "go to \"A%2BB%2BC=180\",substitute\"+A\" and \"C\" from eq.1 and eq.2\r
\n" ); document.write( "\n" ); document.write( "\"3B%2B5%2BB%2BB-20=180\" .................solve for \"B\"\r
\n" ); document.write( "\n" ); document.write( "\"5B-15=180\"\r
\n" ); document.write( "\n" ); document.write( "\"5B=180%2B15\"\r
\n" ); document.write( "\n" ); document.write( "\"5B=195\"\r
\n" ); document.write( "\n" ); document.write( "\"B=195%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28B=39%29\"\r
\n" ); document.write( "\n" ); document.write( "find \"A=3B%2B5\".....eq.1\r
\n" ); document.write( "\n" ); document.write( "\"A=3%2A39%2B5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28A=122%29\"\r
\n" ); document.write( "\n" ); document.write( "find \"C=B-20\" ............eq.2\r
\n" ); document.write( "\n" ); document.write( "\"C=39-20\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28C=19%29\"\r
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