one number is 3 more than twice another. the sum of the numbers is 18. find the two numbers

one number is 3 more than twice another. the sum of the number is 18. find the two numbers.
in Algebra 2 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

line 1: x+y=18 or y=18-x

line 2: y=2x+3 or y-2x=3

x+(2x+3)=18

3x=18-3=15

x=15/3=5

y=18-x=18-5=13
by

Related questions

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number (2)
  4. Solve 15 -1(12รท4+1)? (4)
  5. 8:4(5+2) (3)

Most popular tags

87,550 questions
99,628 answers
2,417 comments
440,878 users