document.write( "Question 161499: The larger of two numbers is 11 more than twice the smaller. The sum of the numbers is 1 less than seven times smaller. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #118959 by gonzo(654)![]() ![]() ![]() You can put this solution on YOUR website! L = larger number \n" ); document.write( "S = smaller number \n" ); document.write( "----- \n" ); document.write( "L = 2*S + 11 \n" ); document.write( "L + S = 7 * S - 1 \n" ); document.write( "----- \n" ); document.write( "substituting for L in the second equation by using the equality in the first equation, we get \n" ); document.write( "(2*S + 11) + S = 7*S - 1 \n" ); document.write( "removing parentheses, we get \n" ); document.write( "2*S + 11 + S = 7*S - 1 \n" ); document.write( "combining like terms, we get \n" ); document.write( "3*S + 11 = 7*S - 1 \n" ); document.write( "subtracting 3*S from both sides of the equation, we get \n" ); document.write( "11 = 7*S - 1 - 3*S \n" ); document.write( "adding 1 to both sides of the equation, we get \n" ); document.write( "11 + 1 = 7*S - 3*S \n" ); document.write( "combining like terms, we get \n" ); document.write( "12 = 4*S \n" ); document.write( "dividing both side of equation by 4, we get \n" ); document.write( "3 = S \n" ); document.write( "which is the same as \n" ); document.write( "S = 3 \n" ); document.write( "----- \n" ); document.write( "substituting for S in the first equation, we get \n" ); document.write( "first equation: \n" ); document.write( "L = 2*S + 11 \n" ); document.write( "L = 2*3 + 11 \n" ); document.write( "L = 6 + 11 \n" ); document.write( "L = 17 \n" ); document.write( "----- \n" ); document.write( "substituting for S and L in the second equation, we get \n" ); document.write( "L + S = 7*S - 1 \n" ); document.write( "17 + 3 = 7*3 - 1 \n" ); document.write( "20 = 21 - 1 \n" ); document.write( "20 = 20 \n" ); document.write( "answer is correct \n" ); document.write( "----- \n" ); document.write( "answer is: \n" ); document.write( "L = 17 \n" ); document.write( "S = 3 \n" ); document.write( " \n" ); document.write( " |