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What is the value of [tex]\( m \)[/tex] in the equation [tex]\(\frac{1}{2} m - \frac{3}{4} n = 16\)[/tex], when [tex]\( n = 8 \)[/tex]?

A. 20
B. 32
C. 44
D. 48


Sagot :

To determine the value of [tex]\( m \)[/tex] in the equation [tex]\(\frac{1}{2} m - \frac{3}{4} n = 16\)[/tex] given that [tex]\( n = 8 \)[/tex], follow these steps:

1. Substitute the given value of [tex]\( n \)[/tex] into the equation:
[tex]\[ \frac{1}{2} m - \frac{3}{4} \cdot 8 = 16 \][/tex]

2. Simplify the equation by calculating [tex]\(\frac{3}{4} \cdot 8\)[/tex]:
[tex]\[ \frac{3}{4} \cdot 8 = 6 \][/tex]
Thus, the equation becomes:
[tex]\[ \frac{1}{2} m - 6 = 16 \][/tex]

3. Isolate the term involving [tex]\( m \)[/tex] by adding 6 to both sides of the equation:
[tex]\[ \frac{1}{2} m - 6 + 6 = 16 + 6 \][/tex]
Simplifying, we get:
[tex]\[ \frac{1}{2} m = 22 \][/tex]

4. Solve for [tex]\( m \)[/tex] by multiplying both sides of the equation by 2 to get rid of the fraction:
[tex]\[ 2 \cdot \frac{1}{2} m = 22 \cdot 2 \][/tex]
Simplifying, we find:
[tex]\[ m = 44 \][/tex]

Therefore, the value of [tex]\( m \)[/tex] is [tex]\(\boxed{44}\)[/tex].