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Anonymous
-38n = 46.
n = 46 / -38
n = - 46 / 38
n = 1.2105
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38+n=57 n=57-38 n=19
Well, first you add 7 to 38, which is 45, then divide by 5, therefore n=9.
-5n+9=-46 -5n+9-9=-46-9 -5n=-55 -5n/-5=-55/-5 n=11
(n-2)x180
-18