Help, teachers asking me to do this independently but I barely understand. Help ASAP!!!

Answer:
9
Step-by-step explanation:
Use PEMDAS to solve it.
2 3 - (8-4) + 5 =
First: 2 3 - (4) + 5 =
Second: solve the 2 to the power of 3 exponent
2×2×2=8 (2×2=4 then 4×2=8)
So, 8 - 4 + 5 =
Third: 4 + 5 =
Last: 9
[tex]{{\rm{ {2}^{3} - (8 - 4) + 5 }}}[/tex]
[tex]{{\rm{\implies \: calculate \: the \: power}}}[/tex]
[tex]{{\rm{ {2}^{3} = 8 }}}[/tex]
[tex]{{\rm{ 8 - (8 - 4) + 5}}}[/tex]
[tex]{{\rm{ 8 - 4 + 5}}}[/tex]
[tex]\boxed{\begin{array}{}{{\rm\red{\implies \: = 9}}}\end{array}}[/tex]
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