7-8x=7(1+7x) what does x equal?

Please help me find the answer to this problem it simplifies down to 57x but I need to know what x equals
in Algebra 1 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

7 - 8x = 7(1 + 7x)

distribute the 7 into the parentheses

7 - 8x = 7 + 49x

subtract 7 from both sides

7 - 7 - 8x = 7 - 7 + 49x

simplify

-8x = 49x

add 8x to both sides

-8x + 8x = 49x + 8x

simplify

0 = 57x

divide both sides by 57

x = 0
by Level 13 User (103k points)

Related questions

2 answers
what does x equal when 5x+6x-7x-8x+6=28
asked May 8, 2012 in Pre-Algebra Answers by anonymous | 986 views
2 answers
What does x equal in 5.8x+5-4.8x=6
asked Dec 4, 2014 in Pre-Algebra Answers by anonymous | 886 views
1 answer
8x-3=x+18 what does x equal
asked Nov 9, 2012 in Pre-Algebra Answers by anonymous | 1.3k views
1 answer
5-2x=3x-7x+5 what does x equal
asked Sep 24, 2013 in Algebra 1 Answers by sarabiah | 701 views
1 answer
if -7(-2x+4)=28 what does x equal
asked Feb 26, 2015 in Algebra 1 Answers by anonymous | 1.0k views
1 answer
What does x equal if (3x-28)=(2x+33)
asked Dec 11, 2018 in Algebra 1 Answers by anonymous | 811 views
1 answer
what does 1000 times .0706 equal?
asked Jan 23, 2014 in Other Math Topics by anonymous | 591 views
1 answer
what does x equal in the equation -4(x + 6) = -40
asked Sep 11, 2013 in Algebra 1 Answers by Breyanna | 758 views
2 answers
What does x equal in 2^x=28
asked Mar 26, 2013 in Trigonometry Answers by anonymous | 678 views
1 answer
What does x equal when 5^3x=1000?
asked Feb 19, 2013 in Trigonometry Answers by anonymous | 1.1k views
1 answer
What does X equal in 5x+5=2/10x+29
asked Feb 11, 2013 in order of operations by anonymous | 1.1k views
1 answer
what does x equal in -1/2*-1/2
asked Dec 11, 2012 in Fraction Problems by anonymous | 553 views
1 answer
what does 1230-400 equal
asked Oct 23, 2012 in Word Problem Answers by anonymous | 703 views
0 answers
what does x equal in 5x+3<3x=9
asked Sep 17, 2012 in Pre-Algebra Answers by anonymous | 702 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(12รท4+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
100,289 answers
2,420 comments
739,755 users