SOLUTION: 12-{7-[9-(5-11+8)-(4+5)]-12}

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Question 914871: 12-{7-[9-(5-11+8)-(4+5)]-12}
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
12-{7-[9-(5-11+8)-(4+5)]-12}
=12-{7-[9-(2)-(9)]-12}
=12-{7-[9-2-9]-12}
=12-{7-[-2]-12}
=12-{7+2-12}
=12-{-3}
=12+3
=15
result =15