Answer:
Your answer should be 49
Step-by-step explanation:
Hope this helps!
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-15
=8+4-{-2-[5+2-7-5+15+20]+6-3}+8
=12+2-5-2+7+5-15-20+3+8
=14-7+12-35+11
=7-23+11
=18-23
=-15
am not shore
