document.write( "Question 474992: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.\r
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document.write( "y = 5x - 17
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document.write( "y = x + 3 \n" );
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Algebra.Com's Answer #325727 by mananth(16946)![]() ![]() You can put this solution on YOUR website! -5 x + y = -17 .............1 \n" ); document.write( "1 y = 3 + x ---------2 \n" ); document.write( " y = 3 + x \n" ); document.write( "Substitute y in (1) \n" ); document.write( "-5x+(3+x)=-17 \n" ); document.write( "-5x+3+x =-17 \n" ); document.write( "-5x+x=-17-3 \n" ); document.write( "-4x=-20 \n" ); document.write( "/-4 \n" ); document.write( "x= 5 \n" ); document.write( "Plug the value of x in (1) \n" ); document.write( "-5 x + y = -17 \n" ); document.write( "-5 * 5 + y = -17 \n" ); document.write( "-25 + y = -17 \n" ); document.write( " y = 8 \n" ); document.write( "/ 1 \n" ); document.write( "y= 8 \n" ); document.write( "(5,8) \n" ); document.write( " |