document.write( "Question 20165: y=2x
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document.write( "x+y=12\r
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document.write( "How do I solve the system of equation using the substitution method? \n" );
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Algebra.Com's Answer #9746 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! y=2x \n" ); document.write( "x+y=12 \n" ); document.write( "We are already given what y =, so use that in the other equation to find the answer for x; \n" ); document.write( "x+ 2x=12 \n" ); document.write( "3x=12 \n" ); document.write( "x=4 \n" ); document.write( "Now plug that into the first equation to find y; \n" ); document.write( "y=2(4) \n" ); document.write( "y=8 \n" ); document.write( "Hope you understand! \n" ); document.write( "=) \n" ); document.write( " |