document.write( "Question 707143: angles a and angle b are supplementary angles find the measure of each angle if angle a is 30 greater than angle b \n" ); document.write( "
Algebra.Com's Answer #435536 by Stitch(470)\"\" \"About 
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Two angles are supplements when they add up to 180\r
\n" ); document.write( "\n" ); document.write( "Equation 1: \"A+%2B+B+=+180\"
\n" ); document.write( "Equation 2: \"A+=+B+%2B+30\"
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\n" ); document.write( "Plug (B + 30) into equation 1 for A
\n" ); document.write( "Equation 1: \"A+%2B+B+=+180\"
\n" ); document.write( "\"%28B+%2B+30%29+%2B+B+=+180\"
\n" ); document.write( "Combine like terms
\n" ); document.write( "\"2B+%2B+30+=+180\"
\n" ); document.write( "Subtract 30 from both sides
\n" ); document.write( "\"2B+=+150\"
\n" ); document.write( "Divide both sides by 2
\n" ); document.write( "\"highlight%28B+=+75%29\"
\n" ); document.write( "Now plug 75 into equation 2 for B
\n" ); document.write( "Equation 2: \"A+=+B+%2B+30\"
\n" ); document.write( "\"A+=+%2875%29+%2B+30\"
\n" ); document.write( "\"highlight_green%28A+=+105%29\"\r
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