12. Evaluate: (-31) - [(-30) + (-1)].
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Answered by
1
Step-by-step explanation:
Answer : 0
Bevause after evaluating aquare brackets we get (-31)+ 31
and the answer of this is 0.
(-31)-[-31-1]
=(-31)-[-31]
=(-31)+31
= 0
hope it helps you
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