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La solución es
.
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To solve the equation
, start by isolating
. First, subtract
from both sides to get
. Then, add 2 to both sides resulting in
. Finally, divide by 2 to find
. So, the correct answer is c) 11!
Equations like this one show the beauty of algebra in simplifying complex problems! Understanding how to manipulate equations can make everything from budgeting to engineering projects much easier. It’s like finding a hidden treasure with number manipulation skills!