document.write( "Question 29762: how do you find the answer for the equations y=2x-2 and y=x+2?
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document.write( " for substitution \n" );
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Algebra.Com's Answer #16458 by sdmmadam@yahoo.com(530)![]() ![]() ![]() You can put this solution on YOUR website! how do you find the answer for the equations y=2x-2 and y=x+2? \n" ); document.write( " for substitution \n" ); document.write( "y=2x-2 ----(1) \n" ); document.write( "y=x+2 ----(2) \n" ); document.write( "(putting (1) in (2) that is substituting for y) \n" ); document.write( "2x-2 = x+2 \n" ); document.write( "2x-x = 2+2 (grouping like terms, changing sign while changing side) \n" ); document.write( "x = 4 \n" ); document.write( "x=4 in (2) implies \n" ); document.write( "y = x+2 = 4+2 = 6 \n" ); document.write( "Answer: x=4 and y=6 \n" ); document.write( "Verification: x=4 and y=6in (1)gives (6) = 2X(4)-2 which is correct \n" ); document.write( " \n" ); document.write( " |