a) Find the solution set in \( \mathbb{N} \) for:
\[ -\frac{2}{5} + a = \frac{3}{5} \]
\[ -\frac{2}{5} + a = \frac{3}{5} \]
Solution set in \( \mathbb{N} \): \(\{1\}\)
MR/Nasef.N
b) Find the solution set in \( \mathbb{N} \) for:
\[ 4 + 5X = 9 \]
\[ 4 + 5X = 9 \]
Solution set in \( \mathbb{N} \): \(\{1\}\)
MR/Nasef.N
c) Find the solution set in \( \mathbb{N} \) for:
\[ 2(X + 7) = 10 \]
\[ 2(X + 7) = 10 \]
Solution set in \( \mathbb{N} \)= \(\emptyset\)
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