document.write( "Question 1130425: Solve the system of equations by the elimination method. (If the system is dependent, let y = c and enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
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document.write( "5/6x-1/3y=-21
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document.write( "1/6x+2/3y=9
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document.write( "(x, y) = \n" );
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Algebra.Com's Answer #747092 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! can clear fractions or deal with them directly \n" ); document.write( "multiply the first by two \n" ); document.write( "(10/6)x-(2/3)y=-42 \n" ); document.write( "(1/6)x+(2/3)y=9 add \n" ); document.write( "(11/6)x=-33 \n" ); document.write( "multiply both sides by 6/11 \n" ); document.write( "x=-18 \n" ); document.write( "put in first equation and -15-1/3 y=-21 \n" ); document.write( "-1/3 y=-6 \n" ); document.write( "y=18 \n" ); document.write( "check in second \n" ); document.write( "-3+12=9 checks \n" ); document.write( "(-18, 18) \n" ); document.write( " |