document.write( "Question 735949: I have tried many times i need serious help!this equation isn't working out right i don't know why, help!
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document.write( "Solve the linear system by using substitution:\r
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document.write( "2x+2y=6 and\r
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document.write( "-3x+5y=(-33) \n" );
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Algebra.Com's Answer #449617 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2x+2y=6 \r \n" ); document.write( "\n" ); document.write( "/2 \n" ); document.write( "x+y=3 \n" ); document.write( "x= 3-y \n" ); document.write( ".. \n" ); document.write( ".\r \n" ); document.write( "\n" ); document.write( "-3x+5y=(-33) \r \n" ); document.write( "\n" ); document.write( "-3(3-y)+5y=-33\r \n" ); document.write( "\n" ); document.write( "-9+3y+5y=-33\r \n" ); document.write( "\n" ); document.write( "8y=-24 \n" ); document.write( "/8 \n" ); document.write( "y=-3\r \n" ); document.write( "\n" ); document.write( "Plug y \n" ); document.write( "in x+y=3 \n" ); document.write( "we get x=6\r \n" ); document.write( "\n" ); document.write( "(6,-3) \n" ); document.write( " |