document.write( "Question 353121: four times the measure of an angle is 7 more than three times the measure of its supplement. what is the measure of the angle? \n" ); document.write( "
Algebra.Com's Answer #252345 by JBarnum(2146)\"\" \"About 
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SUPPLEMENT MEANS 2 ANGLES THAT ADD TO 180, Find x.
\n" ); document.write( "4x=7+3y
\n" ); document.write( "x+y=180
\n" ); document.write( "y==180-x
\n" ); document.write( "4x=7+3(180-x)
\n" ); document.write( "4x=7+540-3x
\n" ); document.write( "7x=547\r
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