what is the x value in 3x+7=4x-4

I need to find the X value in this equation.
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.

2 Answers

3x+7=4x-4

4x-3x=7+4

x=11
by

3x+7=4x-4

7+4=4x-3x (because when -4 crosses the equal to sign it becomes +4 and wen +3x and vice versa to the 3x)

11=x

so therefore x=11

by

Related questions

1 answer
FIND VALUE OF X IN: 3x^2+4x-6
asked Dec 12, 2012 in Algebra 2 Answers by anonymous | 719 views
1 answer
what is the value of x in x^2-4x=3x-2+28
asked Sep 13, 2012 in Geometry Answers by anonymous | 663 views
1 answer
What is the value of x if 3x-4x+6=-2?
asked Nov 19, 2011 in Algebra 1 Answers by anonymous | 828 views
1 answer
if 4x-7=2x+5,what is the value of x?
asked Jun 7, 2012 in Word Problem Answers by anonymous | 3.3k views
1 answer
what is the value of x in -20 = -4x - 6x
asked Oct 31, 2011 in Calculus Answers by anonymous | 738 views
1 answer
what is the value of x in -20 = -4x - 6x
asked Oct 31, 2011 in Calculus Answers by anonymous | 803 views
2 answers
the value of x in the equation 4(3x+7)=136
asked Jan 5, 2012 in Pre-Algebra Answers by anonymous | 1.2k views
1 answer
what is the value of x ; 4x - 9 =3
asked Dec 3, 2012 in Pre-Algebra Answers by anonymous | 627 views
2 answers
Solve 1/4x+7=1/3x-15
asked Oct 10, 2014 in Algebra 1 Answers by anonymous | 949 views
1 answer
32-[4+6x-5(x+4)]= 4(3x+4)-[6(3x-4)+7-4x]
asked Jan 30, 2012 in Algebra 1 Answers by anonymous | 1.1k views
3 answers
Whats the value of X in 3X-6=12?
asked Jan 5, 2012 in Calculus Answers by anonymous | 7.3k views
1 answer
what x in the equation 3/5(5x-15)=4x+1-3x
asked Jan 31, 2012 in Calculus Answers by anonymous | 667 views
1 answer
what x in the equation 3/5(5x-15)=4x+1-3x
asked Jan 31, 2012 in Calculus Answers by anonymous | 1.5k views
1 answer
3x-6=15 what is the value of x?
asked May 9, 2013 in Algebra 1 Answers by anonymous | 2.3k views
1 answer
what is the value of x 3x+5-5
asked Nov 28, 2012 in Pre-Algebra Answers by anonymous | 578 views
1 answer
what is the value of x? 2x+3x-5=-15
asked Oct 7, 2012 in order of operations by anonymous | 741 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
100,297 answers
2,420 comments
745,106 users