document.write( "Question 143881: Solve by the substitution method.
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document.write( "3x + 4y = 20
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document.write( "-6x + y = 32
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document.write( "Will someone please help me with this one. \n" );
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Algebra.Com's Answer #104706 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! adding 6x to the 2nd equation __ y=32+6x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting into the 1st equation __ 3x+4(32+6x)=20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "distributing __ 3x+128+24x=20 __ subtracting 128 __ 27x=-108 __ dividing by 27 __ x=-4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting __ y=32+[6(-4)] __ y=32-24 __ y=8 \n" ); document.write( " |