Answer:
-12 ??
Explanation:
12-5x2+6-4x2
12-10+6-8
12-16-8
-12
Not really sure if that is correct, since the symbols look a little confusing with my glasses but ya.
Also, just in case yall forget:
P - parenthesis
E - exponents
M- multiply
D - divide
A - add
S - subtract