document.write( "Question 112773: Solve the system by addition or substitution.
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document.write( " 3x – 4y = 8
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document.write( " 6x – 2y = 10
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Algebra.Com's Answer #82205 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! MULTIPLY THE FIRST EQUATION BY -2(3X-4Y=8) OR \n" ); document.write( "-6X+8Y=-16 \n" ); document.write( "6X-2Y=10 NOW ADD. \n" ); document.write( "------------------------ \n" ); document.write( "6Y=-6 \n" ); document.write( "Y=-6/6 \n" ); document.write( "Y=-1 ANSWER. \n" ); document.write( "6X-2*-1=10 \n" ); document.write( "6X+2=10 \n" ); document.write( "6X=10-2 \n" ); document.write( "6X=8 \n" ); document.write( "X=8/6 \n" ); document.write( "X=4/3 ANSWER. \n" ); document.write( "3(4/3)-4*-1=8 \n" ); document.write( "4+4=8 \n" ); document.write( "8=8 \n" ); document.write( " |