document.write( "Question 23962: Use substitution to solve each system of equations.\r
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document.write( "X=2Y
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document.write( "Y=X-2\r
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document.write( "Thanks in advanced!!! \n" );
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Algebra.Com's Answer #12668 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! x=2y \n" ); document.write( "y=x-2 \n" ); document.write( "Sinc you already know what x=, substitute that in the 2nd equation to solve for y; \n" ); document.write( "y=2y-2 \n" ); document.write( "y-2y=-2 \n" ); document.write( "-y=-2 \n" ); document.write( "y=2 \n" ); document.write( "Now since we have the answer for y; lets replace that in the second eq. and solve for x; \n" ); document.write( "x=2(2) \n" ); document.write( "x=4 \n" ); document.write( "So the answer is; \n" ); document.write( "x=4 \n" ); document.write( "y=2 \n" ); document.write( "=) \n" ); document.write( " |