How many solutions does the system x + y = 3 and 2x + 2y = 5 have?

It is for a homework assignment .
in Pre-Algebra 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

It has no solutions.

x + y = 3 can be rearranged into 2x + 2y = 6 by multiplying 2 on both sides.

Notice that in this case, we have 2x + 2y = 5 and 2x + 2y = 6, which is clearly impossible. Thus, the system is incosistent and has no solution.
by

Related questions

1 answer
how many solutions does 2x + y =3 & 2y = -4x + 6 have?
asked Sep 30, 2011 in Algebra 1 Answers by anonymous | 2.4k views
1 answer
How many solutions does this linear system have?
asked Jan 10, 2020 in Algebra 1 Answers by Stef | 582 views
1 answer
How many solutions does 1=-8 have?
asked Nov 25, 2013 in Other Math Topics by moonlopez09@gmail.com | 1.2k views
1 answer
how many solutions does a intersecting line have
asked Feb 20, 2013 in Algebra 1 Answers by anonymous | 1.2k views
1 answer
how many solutions does 3x+2=3(x+2) have
asked Nov 29, 2012 in Algebra 1 Answers by anonymous | 745 views
2 answers
how many solutions does each equation below have
asked Apr 14, 2011 in Algebra 1 Answers by anonymous | 3.1k views
1 answer
how many solutions are in this system x+y=4 and y=-x-4
asked May 1, 2012 in Algebra 1 Answers by anonymous | 522 views
1 answer
how many soultions does this system have
asked May 7, 2012 in Algebra 1 Answers by anonymous | 716 views
1 answer
how many solutions do 2x + 6y =5 & x + 3y=2 have?
asked Nov 11, 2012 in order of operations by anonymous | 7.8k views
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. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,276 users