Answer:
-42 ≤ x ≤ 102
Step-by-step explanation:
Compound from the fact that we're combining x≤42 and x≤102.
57 lbs is your answer
5 * 2 + 3(4 + 2) - 4(5 * 2)
= 10 + 3(6) - 4(10)
= 10 + 18 - 40
= 28 - 40
= -12
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