SOLUTION: is x=4 a solution to the equation 2x+4=8+x?

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Question 147726: is x=4 a solution to the equation 2x+4=8+x?
Found 2 solutions by kab, jim_thompson5910:
Answer by kab(1)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: SUBSTITUTION solver -- compute expression given values
Your Result:


YOUR ANSWER


  • Graphical form: Equation was fully solved.
  • Text form: 2x+4=8+x simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( 2x+4=8+x )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Replaced x with 4
It becomes .
Look at .
Replace constants in expression: highlight_red%28+2%2A4+%29,highlight_red%28+4+%29 with highlight_green%28+12+%29
It becomes .
Look at .
Replaced x with 4
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Moved these terms to the left highlight_green%28+-12+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Result:

Universal Simplifier and Solver


Done!


The solver above shows that zero equals zero, but this is what you were looking for. So, x = 4 is a solution to the equation "2x+4 = 8 + x".
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation.


Plug in .


Evaluate and simplify the left side.


Evaluate and simplify the right side.


Since the equation is true, this means that x=4 is a solution.
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