To solve for a, we need to isolate the variable on one side of the equation.
First, we can eliminate the fraction by multiplying both sides of the equation by 2 to get rid of the denominator:
2 * (6 + a/2) = 2 * 28
This simplifies to:
12 + a = 56
Next, we can isolate the variable by subtracting 12 from both sides of the equation:
a = 56 - 12
This simplifies to:
a = 44
Therefore, the value of a is 44.
6 + a/2 =28
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