if 2x + 7 = 19, then x=6.

write the assumptions you would make to start an indirect proof.
in Geometry 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.

2 Answers

if 2x + 7 = 19, then x=6.

here u can do 2 things:

u can insert  x into the equation to get this

2 * 6 + 7 = 19

19 = 19

or u could solve the equation like this

2x+7=19

2x=19-7

2x=12

x=12/2

x=6
by Level 1 User (480 points)
the answer is  13 :) its true
by

Related questions

2 answers
prove that in a group if aba^-1b^-1=e then ab=ba
asked Oct 27, 2013 in Other Math Topics by mathematical proof | 1.3k views
0 answers
if n(p(A))=64 then n(A)=?
asked Jun 16, 2013 in Word Problem Answers by anonymous | 557 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
733,129 users