document.write( "Question 1178319: . The sum of two numbers is 15. If twice the first number is added to thrice the second
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document.write( "number their sum would be 35. What are the numbers? \n" );
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Algebra.Com's Answer #807996 by Veektor(1)![]() ![]() ![]() You can put this solution on YOUR website! say a+b= 15 \n" ); document.write( "Then the sum of twice the first and thrice the second is 35 \n" ); document.write( "So, 2a+3b= 35\r \n" ); document.write( "\n" ); document.write( "We have; \n" ); document.write( "a+b=15 ---i \n" ); document.write( "2a+3b=35 ---ii\r \n" ); document.write( "\n" ); document.write( "Then a=15-b ---iii\r \n" ); document.write( "\n" ); document.write( "Input a into eqn ii \n" ); document.write( "2(15-b)+3b= 35 \n" ); document.write( "30-2b+3b= 35 \n" ); document.write( "Collect like terms \n" ); document.write( "-2b+3b=35-30 \n" ); document.write( "b=5.\r \n" ); document.write( "\n" ); document.write( "Input b into eqn i \n" ); document.write( "a+5=15 \n" ); document.write( "a=15-5 \n" ); document.write( "a=10. a=10, b=5. \n" ); document.write( " |