document.write( "Question 1064451: a 150 degree angle is represented by 6x-3y. it's supplement is represented by 2x+4y. find the measure of each \n" ); document.write( "
Algebra.Com's Answer #679506 by Boreal(15235)\"\" \"About 
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An angle and its supplement add to 180 degrees
\n" ); document.write( "6x-3y=150
\n" ); document.write( "2x+4y=30, the supplement
\n" ); document.write( "multiply the bottom by -3 to eliminate x
\n" ); document.write( "-6x-12y=-90, add
\n" ); document.write( "-15y=60
\n" ); document.write( "y=-4
\n" ); document.write( "substitute into first and 6x+12=150 and 6x=138, x=23
\n" ); document.write( "check with second. 46-16=30
\n" ); document.write( "x=23
\n" ); document.write( "y=-4
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