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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][tex]$n=8$[/tex][/tex]?

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


Sagot :

To find 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], we proceed as follows:

1. Substitute [tex]\( n = 8 \)[/tex] into the equation:

[tex]\[ \frac{1}{2} m - \frac{3}{4} \cdot 8 = 16 \][/tex]

2. Calculate [tex]\(\frac{3}{4} \cdot 8\)[/tex]:

[tex]\[ \frac{3}{4} \cdot 8 = 6 \][/tex]

So the equation now becomes:

[tex]\[ \frac{1}{2} m - 6 = 16 \][/tex]

3. Add 6 to both sides of the equation to isolate the term with [tex]\( m \)[/tex]:

[tex]\[ \frac{1}{2} m = 16 + 6 \][/tex]

[tex]\[ \frac{1}{2} m = 22 \][/tex]

4. To solve for [tex]\( m \)[/tex], multiply both sides of the equation by 2:

[tex]\[ m = 22 \times 2 \][/tex]

[tex]\[ m = 44 \][/tex]

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

The correct answer is [tex]\( 44 \)[/tex].