Answer:
n = - 15
Explanation:
31 - 12n = 211
-first get rid of 31 by subtracting
-31 -31
= =
0 180
-12n=180
divide 12
----- ------
-12 -12
0 -15
n=-15
n = -15
31 - 12n - 31 = 211 - 31
-12n = 180
Divide both sides by -12
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