document.write( "Question 362974: Solve the system of equations by substitution.
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document.write( "5X-2Y=-1
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document.write( "X+4Y=35 \n" );
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Algebra.Com's Answer #258699 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 5X-2Y=-1.....................1 \n" ); document.write( "X+4Y=35 \n" ); document.write( "X=35-4Y \n" ); document.write( "plug value of X in 1 \n" ); document.write( "5(35-4Y)-2Y=-1 \n" ); document.write( "175-20y-2y=-1 \n" ); document.write( "-22y=-1-175 \n" ); document.write( "-22y=-176 \n" ); document.write( "/-22 \n" ); document.write( "y=8 \n" ); document.write( "plug value of y in 1 \n" ); document.write( "5x-16=-1 \n" ); document.write( "5x=15 \n" ); document.write( "/5 \n" ); document.write( "x=3 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |