To find the solution set for the inequalities \( x + 2 \geq 6 \) and \( 3x \geq 6 \):
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First inequality: \[ x + 2 \geq 6 \implies x \geq 4 \]
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Second inequality: \[ 3x \geq 6 \implies x \geq 2 \]
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Intersection of solution sets: The conditions \( x \geq 4 \) and \( x \geq 2 \) imply \( x \geq 4 \) is the more restrictive condition.
Thus, the solution set is: \[ { x ,|, x \geq 4 } \quad \text{or in interval notation:} \quad [4, \infty) \]