document.write( "Question 898959: one angle is three times its supplement increased by 28 degrees. Find the measures of two supplementary angles \n" ); document.write( "

Algebra.Com's Answer #545099 by Fombitz(32388) $\"\"$ $\"About$

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$\"A%2BB=180\"$
\n" ); document.write( " $\"A=3B%2B28\"$
\n" ); document.write( "Substitute,
\n" ); document.write( " $\"3B%2B28%2BB=180\"$
\n" ); document.write( " $\"4B=152\"$
\n" ); document.write( " $\"4B=152\"$
\n" ); document.write( " $\"B=38\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"A=3%2838%29%2B28\"$
\n" ); document.write( " $\"A=114%2B28\"$
\n" ); document.write( " $\"A=142\"$
\n" ); document.write( " \n" ); document.write( "

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