document.write( "Question 421840: Solve each system of equations using the substitution method.
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document.write( "4x - y = 32y = -2 x + 70
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Algebra.Com's Answer #294491 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 4x-y=32 .............1 \n" ); document.write( " \n" ); document.write( "y=70-2x \n" ); document.write( "Plug the value of y in (1) \n" ); document.write( "4x-1(70 -2x)=32 \n" ); document.write( "4x-70+2x=32 \n" ); document.write( "4x+2x=32 -70 \n" ); document.write( "6 x = 102 \n" ); document.write( "/ 6 \n" ); document.write( "x= 17 \n" ); document.write( "Plug the value of x in (1) \n" ); document.write( "4 x + 1 y = 32 \n" ); document.write( "4 * 17 + 1 y = 32 \n" ); document.write( "68 + 1 y = 32 \n" ); document.write( "1 y = -36 \n" ); document.write( "/ 1 \n" ); document.write( "y= -36 \n" ); document.write( " \n" ); document.write( " |