what is the value of x in the following system of equations?

x+3y=17

4x-y=3
in Trigonometry Answers by Level 1 User (620 points)

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

Best answer
x=2, y= 5
by Level 8 User (35.3k points)
selected by
how did you get that answer?
by Level 1 User (620 points)
multiply each side of the second equation by 3, and add first equation with the second. Doing this, you will get rid of y.
       x+3y=17
 +   12x-3y=9
     ----------------
       13x=26
          x=2
plug in 2 instead x into one of the equations above and get y.
by Level 8 User (35.3k points)

Related questions

1 answer
Solve the following system of equations
asked Jul 1, 2013 in Algebra 2 Answers by anonymous | 511 views
1 answer
Solve the following system of equations
asked Jun 12, 2012 in Calculus Answers by anonymous | 1.1k views
1 answer
solve following system of equations
asked May 14, 2012 in Algebra 1 Answers by anonymous | 920 views
1 answer
solve the following system of equations
asked Apr 11, 2012 in Word Problem Answers by anonymous | 683 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
733,512 users