Answer:
this has to do with trial and error
since N=21÷3-3
so 21÷3-3=4
therefore N=4
substitute for N
2×4=8
8×3=24
therefore 24÷3=2×4
Option ( 1 )
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46 degrees
Step-by-step explanation:
180 - 102 - 32 equals to 46
$161
-5
3x -3 = -9 + 4 = -5
