document.write( "Question 64782: use elimination to solve the system x-4y=1 and x+2y=19 for x\r
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document.write( "a.-11
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document.write( "b.3
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document.write( "c.24
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document.write( "d.13 \n" );
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Algebra.Com's Answer #45296 by 303795(602) ![]() You can put this solution on YOUR website! Equation 1 : x-4y=1 \n" ); document.write( "Equation 2 : x+2y=19 \n" ); document.write( "Multiply the second equation by 2 to get \n" ); document.write( "New Equation 2 : 2x+4y=38 \n" ); document.write( "Add the new equation 2 to the original equation 1 to get \n" ); document.write( "3x = 39 \n" ); document.write( "x=13 \n" ); document.write( " Substitute x=13 into one of the equations to find the value for y(=3). \n" ); document.write( " |