document.write( "Question 955363: the sum of three numbers is 79. The second number is 2 more than 3 times the first, and the third is 3 more than 2 times the second. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #583569 by macston(5194)![]() ![]() You can put this solution on YOUR website! a=first number; b=second number=3a+2; c=third number=2b+3=2(3a+2)+3=6a+7 \n" ); document.write( "a+b+c=79 Substitute for b and c. \n" ); document.write( "a+3a+2+6a+7=79 \n" ); document.write( "10a+9=79 \n" ); document.write( "10a=70 \n" ); document.write( "a=7 ANSWER 1: The first number is 7. \n" ); document.write( "b=3a+2=3(7)+2=21+2=23 ANSWER 2: The second answer is 23. \n" ); document.write( "c=2b+3=2(23)+3=46+3=49 ANSWER 3: The third number is 49. \n" ); document.write( "CHECK: \n" ); document.write( "a+b+c=79 \n" ); document.write( "7+23+49=79 \n" ); document.write( "79=79 \n" ); document.write( " |