Simplify : 10 - [ 8 + { 6 - ( 7 - 6 - 4 )}]

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Solution

First we want to do the inner bracket and then the next inner like that
that is
10 - [ 8 + { 6 - ( 7 - 6 - 4 )}]
= 10-[8+{ 6 -(-3)}]
=10 - [8+{6+3}]
=10-[8+9]
=10-17
= -7

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