answersLogoWhite

0

What is5x plus 9 equals 7x plus 21?

User Avatar

Anonymous

∙ 16y ago
Updated: 8/18/2019

-2x = 12 so x = -6 giving -30 + 9 = -42 + 21. Both sides = -21.

User Avatar

Wiki User

∙ 16y ago
Copy

What else can I help you with?

Related Questions

11x -21 equals 7x plus 3 What is x?

11x - 21 = 7x + 3 4x = 24x = 6


What is 2x plus 2 plus 5x equals 23?

7x = 21 x = 3


If x equals 3 and y equals 2 then 7x plus 5y equals?

7x + 5y 7(3) + 5(2) 21 + 10 = 31


-3x equals -21 plus 4x?

-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3


What is 7x plus 3y equals 21 a negative or positive slope?

y=mx+b 7x+3y=21 3y=21-7x *****_ y=7-2.3x *****_ m= -2.3 negative


What is value of x 11x plus 9 equals 7x plus 21?

11x+9=7x+21 11x-7x=4 4x+9=21 21-9=12 4x=12 12 divided by 4= 3 x=3


7x plus 33 equals 11x plus 21 what is x?

x=3 actually its 7


Find the answers in 4x plus 3y equals 12 7x plus 3y equals 21?

x = 3 and y = 0


7 x over 8 plus equals 21 what is x?

7x/8 = 21 so 7x = 21*8 x = 12*8/7 = 3*8 = 24


What number is the solution to the equation 22 equals 7x plus 1?

22=7x+1 (take 1 of each side of the equals) 21=7x (divide each side by seven) 3=x (BAM! answer)


What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?

3x + 7 = -4x + 28 implies 7x + 7 = 28


What is 3x-3 equals 7x 21?

If: 3x-3 = 7x+21 Then: x = -6

Trending Questions
What does the name emoni mean? Who was the first president not elected to office when Harrison died? What does the word indictment mean in the passage a tale of two cities? Does Robert kraft have an illegitimate daughter? What does happier than a lark mean? Does starfire really love robin? What are songs kix brooks is lead vocalist? Are Pierre bouvier and lachelle farrar still dating? What might happen is the strong force didn't exist? Does Robert Colbert have children? What religion is an Irish vicar? What Native American tribe signed a treaty to leave their land voluntarily? Why does piggy say the boys are acting like a crowd of kids in lord of the flies? What are some of the risks and cost considerations associated with each of these alternative financing strategies? Conversion of psi to kpa? What year did christopher Columbus wife die in? Why are two thick cotton sheets warmer than one single blanket? How can you find an inmates mailing address in fort bend county jail? What is the best way to relieve severe choking in a responsive adult? Is gear an adverb?

Resources

Leaderboard All Tags Unanswered

Top Categories

Algebra Chemistry Biology World History English Language Arts Psychology Computer Science Economics

Product

Community Guidelines Honor Code Flashcard Maker Study Guides Math Solver FAQ

Company

About Us Contact Us Terms of Service Privacy Policy Disclaimer Cookie Policy IP Issues
Answers Logo
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.