SOLUTION: 3+8x=21-x

Algebra.Com
Question 213141: 3+8x=21-x
Found 2 solutions by checkley77, drj:
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
3=8x=21-x
You have one too many = signs.
Answer by drj(1380)   (Show Source): You can put this solution on YOUR website!

The following steps will solve the above equation:

Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: x=2.
  • Graphical form: Equation was fully solved.
  • Text form: 3+8x=21-x simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( 3+8x=21-x )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Moved 3 to the right of expression
It becomes .
Look at .
Moved 21 to the right of expression
It becomes .
Look at .
Moved these terms to the left highlight_green%28+x+%29,highlight_green%28+-21+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved -18 to the right of expression
It becomes .
Look at .
Removed extra sign in front of -18
It becomes .
Look at .
Eliminated similar terms highlight_red%28+8%2Ax+%29,highlight_red%28+x+%29 replacing them with highlight_green%28+%288%2B1%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+9+%29
It becomes .
Look at .
Solved linear equation highlight_red%28+9%2Ax-18=0+%29 equivalent to 9*x-18 =0
It becomes .
Result:
This is an equation! Solutions: x=2.

Universal Simplifier and Solver


Done!




I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J
RELATED QUESTIONS

3 5 8 --------- - --------------- =... (answered by jim_thompson5910)
1. {{{9/5+(4/5)x=21/10+(3/2)x+1/2}}} 2.... (answered by Jc0110)
1. 8x = 72 2. x + 12 = 7 3. x + 11 > 17 4. 8x + 9 < 2x + 21 5. 3x - 7 ≥... (answered by MathLover1)
The question is find all of the rational zeros of... (answered by fractalier)
Since there is no section for partial equations, I will put the question here. (x^2 -x... (answered by mukhopadhyay)
-3(x-5)>21 (answered by askmemath)
3(x-2)²=21 (answered by jim_thompson5910)
3|x+5|>21 (answered by stanbon)
X-3 /... (answered by stanbon)