document.write( "Question 143589: Solve system by the substitution method and indicate wheter each system is independent, inconsistent or dependent\r
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document.write( "3y=x+5
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document.write( "3x-9y=-10 \n" );
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Algebra.Com's Answer #104498 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve system by the substitution method and indicate wheter each system is independent, inconsistent or dependent \n" ); document.write( "3y=x+5 \n" ); document.write( "3x-9y=-10 \n" ); document.write( "------------ \n" ); document.write( "Multiply thru the 1st equation by 3 to get: \n" ); document.write( "9y = 3x+15 \n" ); document.write( "Substitute that into the 2nd equation to solve for \"x\": \n" ); document.write( "3x -(3x+15) = -10 \n" ); document.write( "-15 = -10 \n" ); document.write( "----- \n" ); document.write( "The system is inconsistent; therefore, it has no solutions. \n" ); document.write( "================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |