document.write( "Question 377988: how do i solve the following problem by using substitution method?
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document.write( "2x-y=16
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document.write( "-x+2y=-8 \n" );
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Algebra.Com's Answer #268638 by robertb(5830) You can put this solution on YOUR website! From the top eq'n: y = 2x - 16. Substitute into the bottom equation, to get \n" ); document.write( "-x + 2(2x - 16) = -8; \n" ); document.write( "-x + 4x - 32 = -8; \n" ); document.write( "3x = 24; \n" ); document.write( "x = 8. Then y = 2*8- 16 = 0. \n" ); document.write( " |