document.write( "Question 331127: The difference of two numbers is 10. Two times the larger number is 20 more that the smaller. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #237384 by mananth(16949) You can put this solution on YOUR website! let the bigger number be a \n" ); document.write( "smaller number be b \n" ); document.write( "a-b=10.................1 \n" ); document.write( ".. \n" ); document.write( "2a=b+20 \n" ); document.write( "2a-b=20................2 \n" ); document.write( "multiply equation 1 by -1 and add equation 2 to it \n" ); document.write( "-1(a-b)+(2a-b)=-10+20 \n" ); document.write( "-a+b+2a-b=10 \n" ); document.write( "a=10 \n" ); document.write( "plug value of a in equation1 \n" ); document.write( "10-b=10 \n" ); document.write( "b=0 \n" ); document.write( " |