document.write( "Question 633553: Solve the following system using the substitution method.\r
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document.write( "16x + 3y = 0
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document.write( "8x + y = 1
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document.write( "please show work \n" );
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Algebra.Com's Answer #398977 by richwmiller(17219) You can put this solution on YOUR website! multiply the second equation by 2 \n" ); document.write( "then subtract that equation from the first \n" ); document.write( "and you get \n" ); document.write( "y=-2 \n" ); document.write( "now plug that into any of the equations \n" ); document.write( "8x+y=1 for example \n" ); document.write( "and you get 8x-2=1 \n" ); document.write( "8x=3 \n" ); document.write( "x=3/8 \n" ); document.write( " |