document.write( "Question 142830This question is from textbook vla
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document.write( ": how do you solve x-8y=37 3x+8y=-17 by using the elimanation method it doesnt really help with the steps can you or anybody show me. \n" );
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Algebra.Com's Answer #103916 by nabla(475)![]() ![]() ![]() You can put this solution on YOUR website! x-8y=37 \n" ); document.write( "3x+8y=-17\r \n" ); document.write( "\n" ); document.write( "When we have systems of equations, we can subtract one equation from the other (and likewise add them). The explanation of why that is is fairly advanced, but I will show you the easiest way to do this problem: \n" ); document.write( " x-8y=37 \n" ); document.write( "3x+8y=-17 \n" ); document.write( "ADD the equations\r \n" ); document.write( "\n" ); document.write( "x+3x-8y+8y=37-17 \n" ); document.write( "4x=20 \n" ); document.write( "x=5\r \n" ); document.write( "\n" ); document.write( "Now, plug x=5 into the first equation to get y \n" ); document.write( "5-8y=37 \n" ); document.write( "-32=8y \n" ); document.write( "-4=y\r \n" ); document.write( "\n" ); document.write( "solution set x=5, y=-4. \n" ); document.write( "If it is unclear what I did (make sure you look carefully), send me an E-mail at enabla@gmail.com. \n" ); document.write( " |