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What is the value of [tex]$x$[/tex] in the equation [tex]\frac{2}{3}\left(\frac{1}{2} x+12\right)=\frac{1}{2}\left(\frac{1}{3} x+14\right)-3[/tex]?

A. [tex]-24[/tex]
B. [tex]-6[/tex]
C. [tex]-\frac{2}{3}[/tex]
D. [tex]0[/tex]


Sagot :

To solve the equation [tex]\(\frac{2}{3}\left(\frac{1}{2} x+12\right)=\frac{1}{2}\left(\frac{1}{3} x+14\right)-3\)[/tex], let's go through the steps in detail:

1. Distribute the constants inside the parentheses:
[tex]\[ \frac{2}{3} \left( \frac{1}{2} x + 12 \right) = \frac{1}{2} \left( \frac{1}{3} x + 14 \right) - 3 \][/tex]
[tex]\[ \frac{2}{3} \cdot \frac{1}{2} x + \frac{2}{3} \cdot 12 = \frac{1}{2} \cdot \frac{1}{3} x + \frac{1}{2} \cdot 14 - 3 \][/tex]

2. Simplify the multiplications:
[tex]\[ \frac{1}{3} x + 8 = \frac{1}{6} x + 7 - 3 \][/tex]
[tex]\[ \frac{1}{3} x + 8 = \frac{1}{6} x + 4 \][/tex]

3. Eliminate the fractions by finding a common denominator. The common denominator for 3 and 6 is 6. Multiply every term by 6:
[tex]\[ 6 \left( \frac{1}{3} x \right) + 6 \cdot 8 = 6 \left( \frac{1}{6} x \right) + 6 \cdot 4 \][/tex]
[tex]\[ 2x + 48 = x + 24 \][/tex]

4. Isolate the variable [tex]\( x \)[/tex]:
Subtract [tex]\( x \)[/tex] from both sides:
[tex]\[ 2x - x + 48 = 24 \][/tex]
[tex]\[ x + 48 = 24 \][/tex]

5. Solve for [tex]\( x \)[/tex]:
Subtract 48 from both sides:
[tex]\[ x = 24 - 48 \][/tex]
[tex]\[ x = -24 \][/tex]

Thus, the value of [tex]\( x \)[/tex] is [tex]\(-24\)[/tex]. Therefore, the correct answer is [tex]\(-24\)[/tex].