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Answer 1 · 2017-08-30T21:42:25

$-14$

$-20-10÷5+2^3$

According to BIDMAS/PEMDAS, first you do the indices, then division, addition and finally subtraction. So:

$2^3 =8$

Then do division of -10 and 5:

$-10÷5=-2$

Now the equation looks like this:

$-20-2+8 -> -22+8$

Now add them up:

$-22+8=-14$