Question #N733
If $x + 3 = 7$, what is the value of $x$?
A. 4
B. 10
C. 14
D. 21
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Correct Answer is: A
To solve for $x$, we subtract 3 from both sides of the equation: $x + 3 - 3 = 7 - 3$. This gives us $x = 4$.