10 x 2^3 +27 + 9 - (35 - 7)
= 10 x 2^3 +27 +9 - 28
= 10 x 8 + 27 +9 - 28
= 80 + 27 +9 - 28
= 80 + 3 - 28
= 83 - 28
= 55
However this is not the correct answer, there may be some incorrect procedure in the given. The correct answer is 88
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10 x 2^3 +27 + 9 - (35 - 7)
= 10 x 2^3 +27 +9 - 28
= 10 x 8 + 27 +9 - 28
= 80 + 27 +9 - 28
= 80 + 3 - 28
= 83 - 28
= 55
However this is not the correct answer, there may be some incorrect procedure in the given. The correct answer is 88