High School

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Karissa begins to solve the equation [tex]\(\frac{1}{2}(x-14)+11=\frac{1}{2} x-(x-4)\)[/tex]. Her work is correct and is shown below.

[tex]\[

\begin{array}{c}

\frac{1}{2}(x-14)+11=\frac{1}{2} x-(x-4) \\

\frac{1}{2} x-7+11=\frac{1}{2} x-x+4 \\

\frac{1}{2} x+4=-\frac{1}{2} x+4

\end{array}

\][/tex]

When she subtracts 4 from both sides, [tex]\(\frac{1}{2} x=-\frac{1}{2} x\)[/tex] results. What is the value of [tex]\(x\)[/tex]?

A. [tex]\(-1\)[/tex]
B. [tex]\(\frac{1}{2}\)[/tex]
C. [tex]\(0\)[/tex]
D. [tex]\(\frac{1}{2}\)[/tex]

Answer :

We start with the equation
[tex]$$
\frac{1}{2}(x - 14) + 11 = \frac{1}{2}x - (x - 4).
$$[/tex]

Step 1. Expand both sides.

On the left-hand side, distribute [tex]$\frac{1}{2}$[/tex]:
[tex]$$
\frac{1}{2}(x - 14) + 11 = \frac{1}{2}x - \frac{1}{2} \cdot 14 + 11 = \frac{1}{2}x - 7 + 11.
$$[/tex]
Simplify by combining [tex]$-7 + 11$[/tex]:
[tex]$$
\frac{1}{2}x + 4.
$$[/tex]

For the right-hand side, distribute the negative sign:
[tex]$$
\frac{1}{2}x - (x - 4) = \frac{1}{2}x - x + 4.
$$[/tex]
Combine [tex]$\frac{1}{2}x - x$[/tex] by writing [tex]$x$[/tex] as [tex]$\frac{2}{2}x$[/tex]:
[tex]$$
\frac{1}{2}x - \frac{2}{2}x + 4 = -\frac{1}{2}x + 4.
$$[/tex]

Now the equation is:
[tex]$$
\frac{1}{2}x + 4 = -\frac{1}{2}x + 4.
$$[/tex]

Step 2. Isolate the variable.

Subtract [tex]$4$[/tex] from both sides:
[tex]$$
\frac{1}{2}x + 4 - 4 = -\frac{1}{2}x + 4 - 4,
$$[/tex]
which simplifies to:
[tex]$$
\frac{1}{2}x = -\frac{1}{2}x.
$$[/tex]

Next, add [tex]$\frac{1}{2}x$[/tex] to both sides to combine like terms:
[tex]$$
\frac{1}{2}x + \frac{1}{2}x = -\frac{1}{2}x + \frac{1}{2}x.
$$[/tex]
This gives:
[tex]$$
x = 0.
$$[/tex]

Final Answer: The value of [tex]$x$[/tex] is [tex]$\boxed{0}$[/tex].

Thanks for taking the time to read Karissa begins to solve the equation tex frac 1 2 x 14 11 frac 1 2 x x 4 tex Her work is correct and. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada