document.write( "Question 423448: solve the linear system and check your solution algebraically. \r
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document.write( "{ 2x - 3y = 8
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document.write( " x - 2y = 2\r
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document.write( "***please i really need your help ASAP! thankyou so much! \n" );
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Algebra.Com's Answer #295355 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! multiply 2nd equation by -2 and add to 1st equation \n" ); document.write( "___ this will eliminate the x terms, because the coefficients will have the same number but different signs\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "[-2x + 4y] + [2x - 3y] = [-4] + [8]\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substitute the value of y into one of the equations to find x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x - 2(4) = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 10 \n" ); document.write( " |