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Question
Compute the following:
70 + (–20) + (–30)
Sum
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Solution
70 + (–20) + (–30)
= 70 – 20 – 30
= 70 – (20 + 30)
= 70 – 50
= 20
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Is there an error in this question or solution?
Compute the following:
70 + (–20) + (–30)
70 + (–20) + (–30)
= 70 – 20 – 30
= 70 – (20 + 30)
= 70 – 50
= 20