answersLogoWhite

0

What is x when 10x plus 9equals 8x plus 21?

User Avatar

Anonymous

∙ 12y ago
Updated: 10/17/2024

X= 6

10x + 9 = 8x + 21. subtract 8x and 9 to both sides

2x = 12. divide by 2 to both sides

x = 6

User Avatar

Wiki User

∙ 12y ago
Copy

What else can I help you with?

Related Questions

2x-3 equals 10x plus 21?

2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x


What is the answer for 2x - 3 equals 21 plus 10x?

2x-3 = 21+10x 2x-10x = 21+3 -8x = 24 x = -3


What is X2 plus 8X plus 16?

X2 + 8x + 16 = 10x +16x2 + 8x + 16=2x + 8x + 16=10x + 16


What is 2x plus 8x?

10x. 'coz x=? so just add 2 & 8.


What is 8x-2x plus 4x?

8x-2x+4x=10x


What is 10x plus 7 equals 8x-17?

53


32x-11 plus 8x equals 10x plus 3?

x=3


What is 8x plus 6 equals 10x-4?

8x + 6 = 10x - 4Add 4 to each side of the equation:8x + 10 = 10xSubtract 8x from each side:10 = 2xDivide each side by 2:5 = x


9x2 plus 2x plus 5-5x2 plus 8x-6?

It is 4x^2 + 10x - 1


10x-5y plus 2x-3y?

10x - 5y + 2x - 3y = 12x - 8y


How do you solve 2-8x equals 10x plus 20?

1)set 2-8x equal to 10x+202) like term - add or subtract3)after u combined like terms, move (X) to either side4) now divide, the left over, {x divide the whole number}EX:2-8x=10x+20-20 - -20-18-8x= 10x+8x +8x-18=18xx=-1


How do you factor 8x cubed plus 125?

(2x + 5)(4x2 - 10x + 25)

Trending Questions
What is puf insulation? Disadvantages of procedural code over an object-oriented one? In your 97 wrangler sport your wipers will not turn off is this common and how do you fix it? Where did Del and Rodney live in only fools and horses? Who is Susan Luci's mother? How does the waxing crescent of the moon form? What is the name of the last block put on an igloo? Ano ang ibig sabihin ng kabutihan ng pang lahat? What is the surface area to volume ration of a cube with a side length of 6? How does an incline plane make work easier but does not increase in force? What are the differences between colonial America and England during this time period? How much chicken do you need for chicken Alfredo for 100 people? Is the square root of any real number always positive? Where are the vin numbers on 2007 charger? Where is the great hall in hogwarts? What is the direct source of energy responsible for earquakes in southern California? What is 40 over 180 in simplest form? What is a duck in spanish? Who was the young army officer who joined Jefferson's personal secretary in exploring the Louisiana Purchase and Oregon Country? What is the value of a 1985 Fleer Kirby Puckett rookie card number 286?

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 ©2025 Answers.com. 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.