What's the answer to 7x+12x

The question has to do with combing like terms
in Algebra 1 Answers by Level 1 User (120 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.

2 Answers

multipy both sides by x. 7 = 12 + 8x. subtract 12 from both sides.5 = 8x. and then divide my 8. x = -5/8.
by Level 2 User (1.8k points)
7x+12x=(7+12)x=19x
by Level 8 User (35.3k points)

Related questions

1 answer
what is the answer to -104 + 12x +7x = 162
asked Apr 13, 2012 in Pre-Algebra Answers by anonymous | 628 views
1 answer
whats the answer 12x-9y=45
asked Jan 11, 2012 in Algebra 1 Answers by anonymous | 1.2k views
2 answers
whats the answer to 5x-7=7x-17
asked Aug 28, 2013 in Pre-Algebra Answers by yesenia | 1.2k views
1 answer
whats the answer to 7x-1=9x-3x
asked Apr 22, 2013 in Pre-Algebra Answers by anonymous | 648 views
1 answer
Whats the answer too (5x^3+3x^2-7x+10) - ( 3x^3-x^2+4x-1 )
asked Sep 10, 2012 in Algebra 1 Answers by anonymous | 606 views
1 answer
whats the answer to 2/7x-1/2x=3/4+1
asked Feb 28, 2012 in Algebra 1 Answers by anonymous | 662 views
1 answer
Solve the following equation for x. -9 -7x -12x = -15 + 11x x=
asked Nov 18, 2021 in Algebra 1 Answers by dreddiewright Level 1 User (140 points) | 500 views
1 answer
12x+13=7x-7
asked Sep 17, 2019 in Algebra 1 Answers by anonymous | 667 views
1 answer
solve 0.3(12x-4)+7x=104.8
asked Aug 22, 2013 in Algebra 2 Answers by anonymous | 599 views
1 answer
(12x^4-25x^3+18x^2+7x-20)/(3x-4)
asked Jun 25, 2013 in Algebra 1 Answers by anonymous | 801 views
1 answer
(12x^4+3^3+7x+4)+(12x^4+7x^2-7x+2)
asked Jun 20, 2013 in Algebra 1 Answers by anonymous | 568 views
1 answer
12x^3+8x^2/6x^2+7x-3
asked Apr 13, 2013 in Algebra 1 Answers by anonymous | 659 views
1 answer
6x+5+7x+3=12x+4
asked Apr 8, 2013 in Algebra 1 Answers by anonymous | 670 views
1 answer
what is the domain of 12x+7/7x-3
asked Feb 19, 2013 in Algebra 1 Answers by anonymous | 612 views
1 answer
12x-28=-63+7x solve for "x"
asked Feb 1, 2013 in Pre-Algebra Answers by anonymous | 1.8k 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
100,289 answers
2,420 comments
739,290 users