document.write( "Question 1076176: what is the solution to the system shown below?\r
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document.write( "2x+y=-3
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document.write( "x-5y=4\r
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document.write( "A. (0,-3)
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document.write( "B. (-3,4)
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document.write( "C. (-1,-1)
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document.write( "D. (1,-5) \n" );
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Algebra.Com's Answer #690835 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Can substitute into each or solve \n" ); document.write( "The second is x=5y+4 \n" ); document.write( "substitute into first \n" ); document.write( "2(5y+4)+y=-3 \n" ); document.write( "10y+8+y=-3 \n" ); document.write( "11y=-11 \n" ); document.write( "y=-1 \n" ); document.write( "That is C, but going further, x=-5+4=-1 \n" ); document.write( "That checks in both equations and C is the answer. \n" ); document.write( " |